English is more like a federation than a single language. Every English-speaking country, and most regions within them, run their own slang lexicon — sometimes mutually unintelligible, sometimes overlapping, almost always rich. This is a tour of the major regional dialects with the words you'd learn first if you were trying to fit in.
British English
British slang is the deepest and most regionally fragmented of any English-speaking country. The national defaults — knackered, gobsmacked, peng, sound, mate — are widely understood across the UK. Below them sits a layer of regional dialects, each of which is itself a full vocabulary.
- Cockney / London — rhyming slang ("dog and bone" = phone; "trouble and strife" = wife) is the famous tradition, though most working-class Londoners now speak MLE (Multicultural London English) instead. MLE — peng, peak, mandem, gassed, allow it — is the dialect feeding contemporary UK rap and drill.
- Scouse / Liverpool — boss, sound, dead [extremely], la, made up. Liverpool English is one of the most distinct UK accents and has slang to match.
- Geordie / Newcastle — howay, canny, gan, marra, mortal. The Geordie register is so specific that southern English speakers struggle to follow Geordie podcasts on first listen.
- Glaswegian / Glasgow — gallus, banter, scunnered, pure dead brilliant. The Glaswegian dialect is mostly mutually unintelligible with London English when spoken at full speed.
- Yorkshire — owt, nowt, ginnel, gumption, bairn. A more conservative dialect that retains older Northern English vocabulary unchanged.
- Brummie / Birmingham, West Country — both have their own vocabulary largely invisible from outside the UK.
See British & Irish slang for the full catalogue.
Irish English
Irish English (Hiberno-English) sits adjacent to British English with its own distinct register. Eejit, gas, sound, craic, jacks. Irish slang is heavy on Gaelic loanwords (banshee, smithereens, slogan, galore — all originally Irish Gaelic) and on a particular grammatical register that uses "be" more flexibly than other Englishes ("I do be working late").
American English
Standard American slang — lit, dope, sick, hyped — is mostly a downstream product of AAVE. Below that national layer:
- NYC / drill — opps, no slatt, on the block, brodie. The vocabulary of post-2017 New York drill rap has become widely shared across young American men under 25.
- Southern / Atlanta — finna, flossing, on God, sliding [going somewhere]. Atlanta rap is the single biggest exporter of American slang in the past 15 years.
- Philadelphia, Baltimore, Detroit — each with regional vocabularies less visible in mainstream media but distinct in the community.
See Black culture & AAVE for the deep catalogue.
Australian and New Zealand English
Australian English is the most lexically inventive of the English dialects per capita. The characteristic move is to shorten words and add a vowel — arvo (afternoon), servo (service station), brekkie (breakfast), sunnies (sunglasses), thongs (flip-flops). Aussie slang has more diminutive suffixes (-y, -o) productively in use than any other English variant.
New Zealand English shares a lot with Australian but has its own distinguishing words: bach (holiday house), jandals (flip-flops), chur (thanks/bro), sweet as. Maori loanwords are everywhere in NZ English in a way that doesn't have an Australian equivalent.
Caribbean English
Caribbean English encompasses Jamaican Patois, Trinidadian, Bajan, Guyanese, and others — each with their own grammar and vocabulary. Patois in particular has had outsized influence on UK MLE and on global hip-hop slang: words like wah gwan (what's going on), bredren (brother/friend), bun (to cheat on), and ting (thing) are now core MLE vocabulary because of the long Jamaican-British diaspora link.
South African English
South African English is heavy with Afrikaans loanwords (lekker, braai, robot [traffic light], bakkie [pickup truck]) and unique colloquialisms (now-now, just now, eish, howzit). The lekker / braai / bakkie vocabulary travels widely among South Africans abroad and is recognisably distinct.
Singaporean / Malaysian English
Singlish (Singapore English) and Manglish (Malaysian English) combine English with Mandarin, Malay, Tamil, and Hokkien syntax and vocabulary. Lah, leh, lor as sentence-final particles; can / cannot as full sentence; kiasu (afraid of losing out) — Singlish is its own functional creole, not just an accent.
The general rule
Regional slang travels in waves. Right now, MLE is the most globally exported UK regional dialect (because of UK rap and TikTok); AAVE is the most exported American regional dialect (and has been for forty years); Australian slang travels through expat networks but rarely scales to global adoption. The pattern is roughly: musical export drives slang export, with about a five-year lag between a sound becoming popular and its vocabulary entering global English.
Browse the regional collections: British & Irish, Australian & NZ, Black culture & AAVE, Australian slang hub.