noun, verb · Informal
The feeling or atmosphere of a person, place or thing. 'The vibe was off.'
+2 more senses
862 informal words and phrases from 16 countries — what they mean, how to say them, and the situations where using them would be a mistake.
Slang belongs to a place before it belongs to a language. Start where the words are actually spoken.
The pages people actually search for: one country, one subject, every term we have on it.
A sample of what a full entry looks like — definitions, worked examples with translations, and the origin where it is actually known.
noun, verb · Informal
The feeling or atmosphere of a person, place or thing. 'The vibe was off.'
+2 more senses
adjective, adverb · Informal
A lot of; loads of. Counter-intuitively, it means the opposite of standard 'bare'.
+1 more sense
noun, adjective · Informal
A person seen as unsophisticated and working-class, identified by dress, taste and accent. Roughly Britain's chav or America's redneck, and carrying the same class contempt.
+1 more sense
Use with care
noun, adjective, interjection · Informal
A thoroughly good person; a great sort. 'He's a beauty.'
+1 more sense
noun, interjection · Informal · WAY
Dude, mate, guy. Used both to address a friend directly and to refer to any unnamed man.
+2 more senses
Use with care
interjection, verb · Vulgar
Damn; for God's sake. An exclamation of frustration, surprise or emphasis, and the single most common swear word in Spain.
+2 more senses
Use with care
interjection, noun · Colloquial
A euphemism for a much cruder word, used both as an exclamation and as an intensifier: che cavolo vuoi? — 'what the hell do you want?'
+1 more sense
verb · Vulgar
To mess about; to talk nonsense. Tu déconnes? — 'are you kidding?'
+2 more senses
Use with care
noun · Colloquial · GOH-kon
A group blind date: a few friends of one gender meet the same number of another at a restaurant, arranged by one person from each side.
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noun · Colloquial · OH-ppa
Older brother — said by a woman. Extended to any older male she is close to: a friend, a boyfriend, a senior at university.
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noun, adjective, interjection · Vulgar · CHEEM-bah
Excellent, brilliant. '¡Qué chimba!' is the strongest everyday expression of enthusiasm Colombians have, and 'una chimba de carro' is a fantastic car.
+2 more senses
Use with care
adjective, phrase · Vulgar · deh PEENG-gah
Superb, outstanding. Está de pinga about a film, a meal or a party is high praise.
+2 more senses
Use with care
noun · Informal · teh-TEH-oh
A party, and specifically the loud street-and-colmado kind that runs until the speakers are switched off. The word of the moment: it has displaced bonche almost entirely among under-thirties.
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noun · Colloquial · YOHK
A thing whose name you have forgotten, or cannot be bothered with. Covers machinery, gadgets, tools and objects of any size.
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Use with care
adjective, interjection · Informal · KRAHSS
Extreme, intense, out of the ordinary — and evaluatively neutral. A krasse Party and a krasser Unfall are equally krass; only tone and context tell you whether the speaker approves.
+2 more senses
interjection, noun · Taboo · BLYAT
One of the four roots of мат, and by far the most frequent in speech. As a bare interjection it is 'fuck' in the sense of 'damn it' — surprise, pain, exasperation — and in unguarded male speech it degrades into a pure filler dropped between clauses like a comma.
+2 more senses
Use with care
A slang dictionary is only worth anything if it tells you the things a translation app cannot: whether a word is affectionate or hostile, who you can say it to, and whether the origin story everyone repeats is actually true. Where something is disputed, we say it is disputed. Where a word is a slur, we say that too, and list it anyway — because you still need to understand it when you hear it.
Slang words are informal words or phrases that are more common in spoken language than in writing. They often originate within specific social groups, subcultures, or regions and may carry meanings that differ from their standard dictionary definitions. Slang can express identity, humor, or attitude and tends to evolve much faster than formal vocabulary — words that were edgy a decade ago can feel dated today.
Slang evolves constantly, with new terms emerging from social media platforms like TikTok, Twitter/X, and Instagram every week. Some recent examples include “delulu” (delusionally optimistic), “rizz” (charisma, especially in flirting), “slay” (to do something exceptionally well), and “ate” (nailed it, did an amazing job). The fastest way to stay current is to follow trending conversations online — or browse our regularly updated collection by country.
Formal language follows standard grammar and vocabulary rules and is used in professional, academic, or official settings. Slang, by contrast, is casual, often breaks grammatical conventions, and is tied to specific communities or generations. A word like “cool” is understood everywhere, but slang terms like “chuffed” (British for pleased) or “naco” (Mexican for tacky) only make full sense when you know the culture behind them.
Slang is shaped by local culture, history, and social dynamics. Even countries that share the same language — like the US, UK, and Australia for English, or Mexico, Spain, and Colombia for Spanish — develop completely different slang vocabularies. This happens because slang reflects lived experience: local food, music, humor, class structures, and media all leave their fingerprints on informal speech.
Absolutely — slang is a natural part of how people communicate, and using it appropriately shows social awareness and fluency. The key is context: slang fits perfectly in casual conversation, texting, and social media, but may be out of place in a job interview, academic paper, or formal email. Knowing when to switch registers is itself a language skill.
Immersion is the best teacher — watching local TV shows, following social media creators from that country, and talking with native speakers all help. A curated resource like Slang Words Online also gives you the context dictionaries miss: who uses the word, whether it is friendly or offensive, and how it actually sounds in a sentence. We cover sixteen countries and thousands of terms, each with definitions, pronunciation guides, and real-world examples.
Every language has two lives: the version that shows up in textbooks, and the version that actually gets spoken on the street, in group chats, and across bar counters. Slang Words Online exists for the second one. We built this site as a slang words hub for anyone who has ever overheard a word in conversation, in a song lyric, or in a subtitle and thought: what on earth does that mean? Whether you are trying to decode British slang picked up from a London pub, American slang that keeps showing up on social media, or Australian slang your co-worker drops without a second thought — the answer is here, explained with the kind of context a translation app will never give you.
Our slang words library currently covers sixteen countries and eleven topic categories. You can browse British Slang and American Slang alongside Australian Slang, Canadian Slang, and Irish Slang — the big branches of the English-speaking world. Then there are the Romance-language collections: Mexican Slang, Spanish Slang, Italian Slang, French Slang, Colombian Slang, Cuban Slang, and Dominican Slang, each reflecting a distinct dialect with its own rhythm and attitude. We also cover German Slang, Russian Slang, Japanese Slang, and Korean Slang — four vocabularies where the distance from the textbook version is large enough that slang almost functions as a separate register.
What makes this collection different from a quick Google translate? Depth, mostly. Every entry includes the definition — often more than one, because slang words rarely mean just one thing — alongside a pronunciation guide that covers how the word actually sounds, not how it ought to sound. We provide worked examples: full sentences in the original language, translated line by line, so you can see the word doing its job in a real context. And we tell you the things that matter most and that dictionaries usually leave out: whether the word is affectionate or hostile, whether it is safe for mixed company, and whether the cute origin story everyone shares on the internet is actually true.
The topics are organized the way people actually search. Instead of dumping hundreds of entries on one page, we split them into categories that reflect what slang is for: Slang for Approval & Praise, Slang for Greetings & Address, Slang for Insults & Complaints, Slang for People, Slang for Money & Work, Slang for Food & Drink, Slang for Going Out & Partying, Slang for Romance & Flirting, Slang for Emotion & Reaction, Slang for Filler Words, and Slang for Everyday Things. Each of those lives under a specific country, because the same subject — money, say, or insults — produces completely different vocabulary depending on who is speaking and where.
This site is free to use, regularly updated, and available in nine languages so non-English speakers can navigate the whole library in their own language too. Think of Slang Words Online as the slang words library you always wished existed: thorough, honest, and written by people who actually care whether you embarrass yourself at the wrong moment. Dive in — pick a country, pick a topic, or just search for the word you heard.