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"F" Slang

Slang words starting with "f" — clear definitions, real examples and origins. Updated as new slang appears, and free to browse with no sign-up.

"F" Terms

flambeaux
Street
Whirling kerosene torches twirled by walkers alongside night parades like Le Krewe d'Etat and Hermes. Originally a practical fix — Black men were paid pennies and tossed coins to light the route before electric lights — now a kept tradition that's pure spectacle. Tip the flambeaux carriers.
flamboast
Street
To flex and brag at the same time — a portmanteau of flamboyant and boast. E-40 specialty; means doing it loud, doing it bright, and making sure the room knows.
flaming
Gaming
Verbally tearing into teammates or opponents, usually in text or voice chat. Blaming, insulting, tilting everyone. It's a one-way ticket to a chat ban.
flank
Gaming
To bypass the enemy frontline and attack from the side or behind, straight onto their carries and casters. Frontline can't peel for what they can't reach.
flannie
General
A flannelette (brushed cotton) checked shirt, associated with tradies and bogans. Also 'flanno'.
flanno
General
A flannelette shirt, a staple of tradie and bogan wardrobes (also 'flannie').
flap
General
A sudden state of panic, alarm, or disorganised urgency. The squadron's just been scrambled, the CO wants everyone in the mess now, nobody knows what's going on — that's a flap.
flash
Gaming
The most popular summoner spell in League, Flash teleports you a short distance in any direction the moment you press it. Used to dodge skillshots, escape ganks, or flash in for a kill. Long cooldown, so blowing it at the wrong time is a death sentence.
flashover
General
The instant a room full of heated combustibles all ignite at the same time. Radiant heat from the ceiling layer cooks every surface until they hit ignition temperature together — sofa, curtains, carpet, you, everything. Survival time after flashover is measured in seconds.
flat
General
A rented dwelling; 'flatting' is sharing a rented house, and 'flatmates' are housemates.
flat chat
General
Going as fast as possible or working very hard.
flat out
General
Very busy; 'flat out like a lizard drinking' is an intensified version.
flat out like a lizard drinking
General
Very busy or working as fast as possible; a play on a lizard flat to the ground while drinking.
flat white
General
A coffee of espresso topped with steamed milk and a thin layer of microfoam; an Australasian invention now global.
flat worker
Street
A flat worker is a burglar who specializes in breaking into flats and dwellings, as opposed to shops or safes.
flatch
General
Half, especially half a coin such as a halfpenny ('flatch yennep'). From 'half' reshaped under back-slang into 'flatch', used constantly in market pricing and change.
flatfoot
General
An ordinary uniformed police officer, especially one walking the beat. The joke is the flat feet you'd supposedly develop from pounding the pavement all day. Pure noir-era flavour now.
flatland
General
A discipline of BMX performed on smooth flat ground, built from intricate balancing, rolling, and spinning tricks in awkward positions on the bike, without ramps or obstacles. It is often likened to breakdancing on a bike.
flatmate
General
A person you share a rented flat or house with.
flayed
General
Afraid or terrified. A traditional Yorkshire dialect word.
flea flicker
General
A trick play in which the ball is handed to a running back who then tosses it back to the quarterback, who throws a pass downfield to fool the defense.
fleabagging
Internet
Fleabagging is the habit of consistently going for partners who are bad matches, chasing the same self-sabotaging romantic patterns.
fleg
General
A sudden fright. The jolt you get when somebody jumps out at you. Also works as a verb — to fleg someone is to give them that jolt.
flesh
Gaming
The state of an enemy after their shield's broken — every bullet now eats health directly. 'On flesh' is the green light to commit and close out the kill.
flex
Aave
To show off something you have or have done, often boastfully — money, achievements, or possessions.
flexear
General
Spanglish verb meaning to show off or flaunt.
flexible dieting
General
An approach with no banned foods where you can eat anything as long as it fits your daily protein, carb and fat targets, typically most calories from whole foods plus room for treats.
flexin
Street
Confidently displaying an accomplishment or advantage.
flick-on
General
A header or touch, usually from a long ball or throw, that redirects the ball onward for a teammate to run onto.
flight risk
General
A staff member perceived as at risk of leaving the company.
flight to safety
Internet
A flight to safety is a broad move by investors out of risky assets and into perceived safe havens during crises or turmoil, prioritizing capital preservation over returns. Bonds, gold, and the dollar typically benefit.
flip
Gaming
Setting a buy order low and a sell order high on the same item, pocketing the gap. It's quick — often resolved in minutes — and it's how players make gold without leaving the GE.
flip-flop
General
The return trip. You ran the load out, now you're flipping it for the run home. Drivers use it to plan meet-ups: "catch you on the flip-flop" means see you on the way back.
flippening
Internet
The anticipated event in which Ethereum (or another challenger) surpasses Bitcoin as the largest cryptocurrency by market capitalisation. More loosely, any underdog overtaking a market leader.
flirter
General
A catapult. The classic Y-shaped stick lashed with rubber bands or elastic, pocketed by every Black Country kid who ever broke a greenhouse window. From the 'flirt' — to flick or fling sharply.
flk
General
Paediatricians' chart abbreviation for a child with subtle dysmorphic features — odd-set ears, unusual facies, something off — that suggests a genetic syndrome worth working up. Sounds cruel out of context, but it's a real diagnostic flag. The follow-up acronym FLP (Funny Looking Parent) means the kid probably just looks like dad.
float shifting
General
Shifting an unsynchronised manual gearbox by matching engine RPM to road speed and slipping the lever through neutral with no clutch pedal. Done right, the gear drops in silent and smooth. Done wrong, you grind teeth off the cluster and the whole cab winces. Old-school drivers swear by it — saves clutch wear, keeps both feet free on grades. Modern automated manuals are killing the art.
flogging
General
Impact play with a flogger, a handle with multiple falls (tails) of leather, suede or other material. The many tails spread the force, so a skilled top can run the whole spectrum from a soft, sensual rhythm to a heavy thud. The pattern of swing matters; good floggers practise like it's choreography. The tool itself is also just called a flogger.
floof
Internet
Playful term for fur or fluffiness, or for a fluffy fursuit or character; used warmly and lightheartedly.
floor
Internet
The floor price — the cheapest available listing for any NFT in a given collection, used as the headline metric of a collection's value.
floor performance
General
One of the five elements of vogue femme. Instead of standing, you take it down to the ground, using rolling, twisting, arching, stretching and posing to express sensuality and control. It's where a walker shows softness and command at once. Done right it's hypnotic; done lazy it just looks like you fell.
floor price
Internet
The lowest price anyone is currently asking for an NFT in a given collection. It's the headline number traders watch — a falling floor means the collection is bleeding, a rising floor means demand is heating up. On marketplaces like OpenSea or Blur, the floor doubles as the collection's vibe check.
floor work
General
The low part of a stage set. Once the dancer is off the pole, she works the floor itself, hip rolls, splits, back arches, crawls toward the rail where the tippers sit. Cheap on the knees, expensive on the wardrobe, but it's where most of the stage tips actually land.
floorwork
General
One of the five elements of vogue. Floorwork (or floor performance) is everything done on the ground — rolling, twisting, arching, splits, sensual posing, dramatic descents. It's where a performer proves they can be just as commanding lying down as standing up. The dip lives here, but so does slow, controlled, hypnotic body work.
flop
General
When the parole board says no. You walked in expecting a date, you walk out with another year — or three — before you can apply again. 'Got a two-year flop' = denied with two years until your next hearing.
flop era
Internet
A stretch — for a creator, a celebrity or just yourself — where the engagement, luck or vibes have visibly dipped. Borrowed from stan-Twitter's habit of dividing pop stars' careers into 'eras' (imperial era, comeback era, flop era) and now used self-deprecatingly on TikTok about anything from a bad posting streak to a rough month at work. Half lament, half joke.
floptok
Internet
The corner of TikTok that role-plays an entire alternate pop industry of made-up artists with names like 'Addison Rae' (yes, real, but in floptok mythology) and Slayyyter-tier figures. Fans treat fictional flops like Beyoncé, debate fake Grammy snubs, and post fake chart screenshots. It's a parody of stan culture from inside stan culture.
flossin'
Street
Ostentatiously showing off wealth — chains, watches, whips, stacks. Houston-rooted slang that broke nationally via Big Tymers' 'Big Tymin'' and Mase's 'Feel So Good' in the late 90s. The visual: jewelry catching light like dental floss.