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Slang Dictionary — Modern Slang, Decoded

What does that word actually mean? Our slang dictionary explains modern slang clearly — Gen Z, internet, British and street slang — with real definitions, examples and where each term came from.

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Gen Z Slangrizz, delulu, slay Internet Slangbrainrot, based, mid British Slangpeng, bare, peak AAVEbussin, finna, cap

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Latest slang terms

undertow
General
An offshore under-current running back out to sea beneath incoming waves, which can drag people off their feet.
understood the assignment
Internet
Used about a creator or performer who matched the brief flawlessly.
understandable have a great day
Internet
A copypasta-style reply used to sarcastically or genuinely accept a situation and move on. It defuses tension with mock politeness.
underrated
Internet
Describes an act or track that fans feel doesn't get the attention or credit it deserves.
underground
Street
Underground Atlanta — the multi-level downtown district under the viaducts. Old brick storefronts, club nights, swap-meet shopping. Long-standing pull-up spot in ATL records.
underdog
General
A competitor or side not favoured to win, facing stronger opposition.
underboss
Street
The underboss is the deputy to the boss of a Mafia family, ranking above the capos.
under the cosh
General
When a team is being battered and forced to defend desperately for a spell.
under the bar
General
Being in the gym training, literally getting beneath the barbell to work.
uncuffing season
Internet
Uncuffing season is the warmer part of the year when couples formed during cuffing season break up to enjoy being single again.
uncle sam's canoe club
General
A joking Navy term for the U.S. Coast Guard, referencing its small-boat operations.
uncle ned
General
Bed. Uncle Ned rhymes with bed, and you'll mostly hear 'off up the Uncle Ned' or just 'off to me uncle'. Cosy, knackered, end-of-night slang.
uncle charlie
General
A curveball, especially a big, sharp-breaking one; sometimes 'Lord Charles' for a great one.
unc
Internet
Can be affectionate, addressing a respected older guy.
unbothered
Internet
A flex of being so secure that nothing rattles you.
unbased
Internet
If 'based' is the highest compliment — confident, independent, doesn't care what you think — 'unbased' is the opposite. Cowardly, conformist, or holding an opinion the speaker finds embarrassing. Used semi-ironically on Reddit and 4chan, often as a one-word dismissal in the replies.
una fría
General
A cold one — a cold beer. Literally 'a cold (one)'.
una
Street
Used to address a group of people, functioning as the plural "you" that standard English lacks a dedicated word for.
un tro'
General
A huge amount of something, used as an informal unit — 'un tro' de gente' = tons of people.
umble
Street
Houston-area pronunciation of Humble, TX — the suburb just north-east of the city. The 'H' is silent. Say 'Humble' with the H and you've outed yourself as not from here.
ulzzang
Internet
A person, often a pre-debut trainee or influencer, who becomes famous online for exceptional good looks.
ultras
General
Devoted hardcore fans known for coordinated chanting, tifos and unwavering vocal support throughout a match.
ultimate bias
Internet
The one idol who tops a fan's entire bias list, ranking above every group's members. Often abbreviated 'ult' or 'UB'.
ultimate
Gaming
FFXIV's most brutal raid difficulty. Long, punishing fights with no Echo buff to soften your damage, so you clear it clean or not at all.