18 Slang Words That Are Now Official Dictionary Words

Language is alive. It stretches, bends, and morphs in response to social currents, technology, and cultural creativity. Slang words, those informal, often playful terms born on streets, in clubs, or online forums, serve as a linguistic barometer of our times.

Though once dismissed as temporary or improper, many have proven their staying power and earned space in the world’s most respected dictionaries.

That matters because it shows how everyday speech can move from casual conversation into formal reference without losing its personality. When a slang word becomes official, it usually means people have used it often enough, in enough places, for the language world to take notice.

This article highlights eighteen such slang words, once purely colloquial, now officially recognized, and explores what their journeys reveal about language evolution.

Some came from the internet, some from music, some from food culture, and some from everyday emotions that needed a name. Together, they show how quickly language can change when people keep repeating what feels useful, funny, or just plain right.

In a Nutshell

• Slang grows naturally and gains legitimacy when dictionaries document real usage across different settings.
• Words like selfie, brunch, and emoji reshaped everyday language by reflecting social trends and digital habits.
• To enter major dictionaries, a slang term usually needs clear meaning, sustained popularity, and widespread use in print or online media.
• When street born words make the jump into formal reference books, they show that language is always adapting to culture, technology, and new ways of speaking.

New words do not usually arrive quietly. They spread through culture first, then formal dictionaries catch up later.

18 Slang Words That Made the Jump

1. Selfie

Selfie was first documented around 2002 in Australian internet forums. At the time, it was just a casual label for a self taken photo, but it became much bigger once front facing smartphone cameras made self portraits effortless.

Social media then pushed it even further, since people began sharing self photos constantly and attaching the same word to them.

By the early 2010s, selfie had become one of the most visible internet era words in the world. It moved far beyond its original corner of online culture and into mainstream everyday speech, showing up in captions, headlines, brand campaigns, and ordinary conversations. The word became so common that many speakers stopped noticing how new it once felt.

Dictionary Entry: Merriam Webster recognized selfie in 2013, defining it as a photograph one has taken of oneself. The Oxford English Dictionary also recorded it as a major digital age term, reflecting how quickly it had become part of ordinary language.

2. Brunch

Brunch blends breakfast and lunch, and it first appeared in the late nineteenth century as a name for a relaxed late morning meal. It began as a clever social idea, not just a food label, and it was originally associated with a lighter, more leisurely weekend style of eating. For a long time, it stayed somewhat niche.

Later, urban dining culture turned brunch into a full blown ritual. Restaurants built menus around it, groups planned their weekends around it, and the word started to stand for much more than food. Brunch now suggests a mood, a social gathering, and a certain kind of effortless weekend energy. It is one of those words that became a lifestyle marker as much as a meal description.

Dictionary Entry: Both Merriam Webster and the Oxford English Dictionary include brunch, with OED tracing print citations back to the 1930s. It is defined as a meal eaten in the late morning, typically combining a late breakfast and an early lunch.

3. Blog

Blog came from weblog, a term used in the late 1990s for personal online journals and commentary. As internet writing became faster and more casual, the longer form shortened into blog, which was easier to say, easier to type, and easier to spread. It quickly became the label for a whole new kind of publishing.

What makes blog important is that it helped turn ordinary people into publishers. Before long, anyone could post opinions, daily updates, niche interests, or news commentary online. That shift helped shape the creator economy and paved the way for microblogging, influencer writing, and many of the content habits people now take for granted.

Dictionary Entry: By 2004, blog appeared in major dictionaries. Merriam Webster defines it as both a noun and a verb, reflecting how completely it entered modern publishing.

4. Hangry

Hangry is a playful blend of hungry and angry, and it describes that irritated, short tempered feeling people sometimes get when they have not eaten. The word feels almost comic the first time you hear it, but its usefulness is obvious immediately because many people know the feeling all too well.

The rise of hangry also shows how slang can connect everyday emotions to a wider conversation about health and mood. Once people started using it regularly, it moved from joke language into mainstream speech. It even showed up in articles and research discussions about hunger related irritability, which helped give it a more serious edge behind the humor.

Dictionary Entry: In 2018, Merriam Webster added hangry, defining it as bad tempered or irritable as a result of hunger.

5. Photobomb

Photobomb describes the act of unexpectedly entering someone else’s photo, usually as a joke. The word grew along with internet humor, viral videos, and the culture of sharing funny personal moments online. It captures a kind of interruption that is annoying in theory but often hilarious in practice.

Because photos became so easy to share, photobomb turned into a widely recognized part of digital life. People started using it not only for literal photo interruptions, but also for playful social moments that disrupted otherwise serious pictures. It is a word that feels very tied to the rise of casual online comedy.

Dictionary Entry: The Oxford English Dictionary added photobomb in 2014, defining it as spoiling a photograph by suddenly appearing in the camera’s view.

DISCOVER: More internet slang in this slang list

6. Emoji

Emoji began in Japan in 1999 as tiny pictograms for mobile communication. Before long, these small visual symbols became part of global texting culture, giving people a faster and often clearer way to show tone, emotion, and reaction in digital messages. They filled a gap that plain text often could not.

The rise of emoji changed communication in a very visible way. People began using them to soften messages, add humor, signal sarcasm, or replace entire phrases with symbols. That made emoji more than decoration. They became part of the structure of online conversation, influencing how people write, react, and interpret meaning.

Dictionary Entry: Merriam Webster recognized emoji in 2013, defining it as a small digital image or icon used to express an idea or emotion in electronic communication.

7. Bully

While bully as a verb has older roots, modern slang use expanded its meaning in newer contexts. In the classic sense, it still refers to intimidation or pushing someone around. But in some newer usage, especially in older or regionally different contexts, it can carry a sense of doing something with force, energy, or excellence.

That split meaning makes bully a useful example of how slang and standard language can overlap. The same word can sound negative in one situation and positive in another, depending on tone, speaker, and context. It reminds readers that language is not always fixed to one emotional value.

Dictionary Entry: Major dictionaries now list multiple senses of bully, from traditional intimidation to positive or figurative uses. Oxford cites examples from sports and informal writing where the word conveys dominance or strong performance.

8. YOLO

YOLO stands for You Only Live Once. It broke into mainstream culture after Drake used it in 2011, and the phrase quickly became a quick way to justify risk taking, bold decisions, or spontaneous choices. It worked because it was short, catchy, and easy to repeat.

YOLO also became a joke, a slogan, and a kind of internet attitude all at once. People used it seriously, ironically, and everything in between. That flexibility helped it spread fast across social media, captions, merchandise, and everyday conversation. It is one of the clearest examples of a phrase moving from entertainment into global slang.

Dictionary Entry: Oxford added YOLO in 2016, defining it as an expression used to encourage spontaneity or risk taking.

9. Twerk

Twerk comes from dance culture and gained huge mainstream attention in the 2010s. The word had already existed in hip hop and regional dance scenes, but it became a household term after music performances and viral clips pushed it into the wider public eye. That kind of jump is typical of slang that starts in specific communities and then spreads outward.

The word also sparked conversation about performance, identity, and how culture travels through media. It became part of entertainment commentary, social debate, and everyday joking language. Even people who never used the word seriously still understood what it meant, which is usually a sign that slang has become widely recognizable.

Dictionary Entry: Merriam Webster included twerk in 2014, defining it as dancing in a sexually provocative way with thrusting hip movements.

10. Binge watch

Binge watch rose with streaming culture, when people started watching multiple episodes of a show in one sitting. The habit existed before streaming, but the word became much more common once platforms made it easy to keep watching episode after episode without waiting for the next week’s release.

The term has become part of everyday media talk because it describes a very modern viewing habit. It is now normal to hear people say they binge watched a series over the weekend or binge watched a season in one night. The word fits so naturally into conversation that it has become a standard way to describe a specific type of entertainment behavior.

Dictionary Entry: Oxford added binge watch in 2018, defining it as watching multiple episodes of a television program in rapid succession.

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11. Ghost

Ghost became a common slang verb in dating and friendship talk. It means to suddenly stop replying or disappear from communication without explanation. The image behind the word is easy to understand, which is part of why it spread so fast. It describes a very specific modern social experience.

People use ghost not only in romantic settings but also in friendships, work chats, and online communities. The word reflects the way digital relationships can fade silently, leaving one person confused and the other absent. Its popularity shows how internet communication created a need for a neat label for disappearing without a goodbye.

Dictionary Entry: Major dictionaries now include ghost in this sense, especially in digital and relationship contexts.

12. Meme

Meme now means a piece of culture, usually online, that spreads from person to person and gets remixed along the way. It can be an image, a phrase, a joke, a video format, or even a reaction style. The modern internet gave the word a huge second life.

Although the word existed earlier in academic writing, the internet transformed meme into a daily word for ordinary people. It became the label for viral humor, repeated formats, and shareable online culture. Few words show the speed of digital communication as clearly as this one does.

Dictionary Entry: Dictionaries define meme as an idea or behavior that spreads within a culture, especially through the internet.

13. Stan

Stan started as slang for an obsessive fan and later softened into a widely used word for someone who strongly supports a person, artist, or brand. The term is tied to fandom culture, online joking, and the way social media encourages public displays of loyalty and enthusiasm.

Today, stan can sound serious or playful, depending on the context. People may stan a singer, a sports team, a movie, or even a food trend. That broad use helped the word move from niche fan language into general conversation, where it now works as both a noun and a verb.

Dictionary Entry: Major dictionaries now include stan as a noun and verb connected to enthusiastic fandom.

14. Clout

Clout now often means influence, status, or social pull, especially online. People use it to talk about popularity, internet reach, or the attention someone gets from being visible. It has become one of the key words in conversations about fame and digital credibility.

The slang meaning of clout grew especially fast on social platforms, where attention itself can feel like a form of currency. That made the term useful for describing people who chase visibility or benefit from online exposure. It can be used neutrally, critically, or admiringly depending on the speaker.

Dictionary Entry: Dictionaries include clout in the sense of influence or power, and the slang meaning became even more visible through social media.

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15. Adulting

Adulting refers to doing ordinary grown up responsibilities, like paying bills, cooking, making appointments, or handling errands. It is often used jokingly, especially when adult life feels more tiring than expected. The word captures a shared feeling that many people recognize immediately.

What makes adulting especially interesting is that it turns a serious stage of life into a light, self aware joke. People use it to complain, to laugh at themselves, or to point out how surprising basic adulthood can feel. That blend of humor and honesty helped it spread rapidly in everyday speech.

Dictionary Entry: Major dictionaries now list adulting as a slang word for behaving like an adult or doing adult tasks.

16. Salty

Salty is a slang word for being annoyed, bitter, or a little resentful about something. It gives people a quick way to describe a mood without sounding too formal or too dramatic. It can apply to a person, a reaction, or even a comment that feels a little irritated.

The slang use of salty became especially common online, where short emotional labels spread quickly through memes and comments. The word works well because it is vivid without being overly harsh. It suggests that someone is bothered, but in a way that still sounds conversational and easy to say.

Dictionary Entry: Dictionaries now include salty in this emotional slang sense, especially in informal speech and online conversation.

17. Lowkey

Lowkey is used to mean quietly, slightly, or not very obviously. It can soften a statement, keep a feeling understated, or make a confession sound more casual. Because of that, it has become an easy word to drop into conversations where someone wants to sound relaxed.

People use lowkey to signal restraint without becoming overly formal. It appears in compliments, opinions, reactions, and private admissions. The word is useful because it can make a statement feel less intense while still keeping the speaker’s meaning clear.

Dictionary Entry: Modern dictionaries now recognize lowkey in informal English as a word used to show restraint or mild emphasis.

18. Cringe

Cringe is now widely used to describe something awkward, embarrassing, or painfully embarrassing to watch. It can also describe the reaction people have when they see or hear something uncomfortable. The word became a core part of online commentary because it was so easy to apply to awkward moments.

Its reach expanded quickly because the internet loves short reaction words. Cringe can describe a sentence, a clip, a trend, or even a person’s behavior when it seems painfully awkward. As a slang term, it is flexible enough to work in comedy, criticism, and everyday judgment.

Dictionary Entry: Major dictionaries now include cringe in both traditional and modern informal uses, reflecting how often people use it in online conversation.

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Why These Inclusions Matter

These entries matter because they reflect real cultural change. Some came from technology, some from music, some from dating culture, and some from daily routines that needed a word of their own. Once people used them widely enough, dictionaries had to catch up. That process tells us a lot about how language works in public life.

When a slang word becomes official, it is not losing its personality. It is gaining documentation. The word still carries the tone, energy, or humor that made people use it in the first place, but now it also has a record in formal language history.

That is important for writers, teachers, students, translators, and anyone who wants to understand how words move through society.

In my view, the most interesting thing about slang is that it does not wait for permission. It spreads because people need it, enjoy it, or find it useful. Dictionaries then step in to describe what has already happened. That is why slang often feels more alive than formal language, even when it eventually becomes part of the formal record.

The inclusion of these words also shows that no single group owns language change. Online users, musicians, media outlets, and everyday speakers all help shape what becomes common.

The official dictionary is really just a snapshot of what people were already saying out loud, typing, and repeating across different spaces.

How a Slang Word Makes It Official

For a slang word to earn a dictionary entry, it usually has to do more than just sound clever. It needs to appear often, stay useful over time, and show up in a variety of contexts. Lexicographers look for evidence in newspapers, books, broadcasts, websites, social media, and other forms of public language use.

The best candidates also have a meaning that is clear enough for readers to understand without much confusion. If the word keeps changing too quickly or only appears in one tiny corner of culture, it may not be ready yet. But if speakers across different places keep using it in the same general way, its chances improve.

Longevity matters too. Many slang terms flare up for a moment and disappear. Dictionaries tend to wait until a word shows it has real staying power. That is why some internet jokes vanish while others, like selfie or emoji, become part of standard language history.

In short, dictionaries do not usually create slang. They document what people already made popular. That is what makes a dictionary entry feel like a kind of public recognition, not just a definition.

Conclusion

From humble internet beginnings to full dictionary status, these slang words show how language moves with people. Selfie, brunch, emoji, YOLO, and the rest of the list all remind us that words do not stay fixed. They travel, adapt, and earn new meanings as culture changes.

If you are writing for Slangwise, this is a great topic because it is both fun and informative. Readers get the meaning, the backstory, and the bigger language lesson all in one place. And honestly, that is what makes a strong slang post work so well. It gives people a reason to care about the word, not just memorize it.

Language will keep changing, and new slang will keep pushing its way into everyday speech. Some words will fade fast. Others will settle in and become so normal that people forget they were ever slang at all. That is part of the fun of watching language evolve in real time.

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