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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

degenerate
Internet
A self-deprecating badge members wear proudly, framing themselves as reckless gamblers who treat the market like a casino. Often shortened to 'degen.'
degen
Internet
Short for 'degenerate gambler', a trader who takes wild, high-risk bets on volatile tokens. Once an insult, now a self-applied flex in DeFi and memecoin circles.
definition
General
The clarity of muscular detail and separation that shows when fat over the muscle is low; also called muscularity.
defi
Internet
Short for 'decentralised finance', an ecosystem of lending, trading, and yield services built on blockchains without traditional intermediaries like banks or brokers.
deffo
General
Yes, absolutely, for sure. A clipped, chummy way of saying 'definitely' — softer and more casual than the full word. Heard all over the UK now but lives loudest in Scouse and wider Northern English speech.
defer
General
When the team winning the coin toss chooses to delay its option to the start of the second half, usually to receive the ball then.
defaults
Internet
The handful of huge, lowest-common-denominator subreddits that used to be auto-loaded into every new user's feed. Synonymous with mainstream, normie Reddit — the front-page stuff regulars grew tired of and accused of dragging the site's quality down.
default
Gaming
No set strat? You run a default. The team fans out across the map, takes early space, and gathers info on where the CTs are stacked. Once you know where they're weak, you converge and hit. It's the patient, read-the-map opening.
def
Music
Excellent, cool, or the very best, used as strong approval.
deer camp
General
A cabin, shack, trailer, or stretch of family land up north that hunters retreat to every November for Michigan's firearm deer season (opens Nov 15). More than a building — it's a ritual. Beers, cards, woodstove, blaze orange, and getting up at 4am to sit in a blind. Often passed down through generations.
deep-liking
Internet
Deep-liking is engaging with a person's much older social media content, which gives away how deeply you've been browsing their profile.
deep three
General
A three-point attempt launched from well behind the three-point line, further than a standard three.
deep stealth
General
Stealth turned all the way up. Where ordinary stealth might mean colleagues and acquaintances don't know but your spouse and closest friends do, deep stealth means the history is hidden from everyone, sometimes even intimate partners. Total privacy, no exceptions. A heavy thing to carry, and a deeply personal choice.
deep like
Internet
An accidental or bold like on a photo far back in someone's feed, exposing that you've been scrolling deep into their history. Often mortifying if unintended.
deep in the weeds
General
Deeply immersed in the minutiae of a task, often at the expense of the big picture.
deep dive
General
An in-depth analysis or close look at a subject, as opposed to a surface-level overview.
deep
General
Serious, heavy, grim — said about a situation that's hit harder than expected. The MLE equivalent of 'that's rough' but with more weight behind it.
deek
General
To look at something, have a peek. Used as a verb ('deek at that') or a noun ('giz a deek'). Quick, casual — same energy as 'butchers' down south.
deed
General
Dead; also used figuratively ('me phone's deed').
deck ape
General
An undesignated seaman assigned to the deck force — the unglamorous division that chips paint, hauls mooring lines, runs replenishments, and does whatever physical labor needs doing topside. Often a kid fresh out of boot who hasn't been to a school yet. Half insult, half badge of honor; deck apes wear it themselves.
deck
General
The floor or surface aboard ship, extended ashore to mean the ground or floor. As a verb, to punch or knock someone down with one blow.
decarb
Street
Short for decarboxylate; to heat raw cannabis to convert THCA into psychoactive THC, essential for edibles.
decade
General
An air trick where the rider swings their whole body a full 360 degrees around the bike while keeping hold of the bars, then lands back on the pedals. It is a classic old-school freestyle move.
debut
Internet
In K-pop, the official first release and stage performance of an idol or group. It's treated like a coronation — debut showcase, debut MV, debut stage on a music show, debut anniversary celebrated forever after. Pre-debut content (trainee clips, survival show footage) becomes instantly more valuable the second a debut drops.