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The act of masturbating in your hand and then slapping someone in the face.
I was walking down the street when a bum asked me if he could perform a fapslap on me.
fapslap by polydizzle February 5, 2009
Related Words

fatslapper 

One who sits around and does nothing useful for anyone when there is work to be done. Thus, this makes the person fatter, and they become proud of it.
"Get off your ass, you lazy fatslapper, and help me move this body into the trunk."
fatslapper by Fatslapper October 10, 2009
Used for females who have large "flaps". Excess skin around the vaginal area :) baggy fanny.
have you seen megan's fatflaps?
fatflap by QueenB33 August 13, 2010

fatslapper 

A large girl with a rather fat stomach, so that when you are humping them the fat starts slapping together...
She's a real fatslapper...
fatslapper by Smokehouse December 18, 2004

factslapped 

When you post a bunch of bullshit on Facebook and someone Jon Stewart's your blithering nonsense with facts.
he released his long form birth certificate which is as official as it gets. you got factslapped
factslapped by Tiberius Hawke July 9, 2011

Fat-slap 

The act of offering one's seat on public transport (most commonly the Subway) to a lady who appears to be pregnant but who is, as it turns out, just a bit fat.
John: Excuse me ma'am I see you are with child may I offer you my seat?

Natasha: What, bitch? Are you fat-slapping me!? I'm gonna beat yo' sorry ass!

John: Fuck off.
Fat-slap by J-Sox August 2, 2009
More from Urban Dictionary

Pee Calculus

When you have to pee in a movie but don’t want to miss anything, and must do the following mental equation: will the amount I have to pee cause enough discomfort to diminish my attention capacity for the remainder of the movie to an extent which is greater than the amount of the movie I would miss by making a mad dash to the restroom.
I saw Satantango last night, wonderful film but by the 5th hour I had to start doing pee calculus.
Pee Calculus by anorlondo October 1, 2026
Word of the Day on October 2, 2026
Literally "dirty" pronounced with a West Indian accent. Can also have a positive connotation, for example Sean Paul's album title "Dutty Rock".
"The girl is pretty but she corrupt and dutty!"

or, in a positive usage:

"Booya! That freestyle was dutty!"
Dutty by J Hall April 3, 2003
Word of the Day on October 1, 2026
korean word for madam, older woman
Ajumma wait a moment
Ajumma by aintnotinbutnice July 5, 2009
Word of the Day on September 30, 2026

Slop Grenade

When someone uses AI to generate a large document, slide deck, or piece of code/software and tosses it over the fence for you to deal with.
Chad: Hey Brent I sent you the new backend API change to review, it’s only 100 files changed.

Brent: he just tossed me a slop grenade
Slop Grenade by Joe Squid September 28, 2026
Word of the Day on September 29, 2026
Short-hand for the word floccinaucinihilipilification, meaning the estimation of something as valueless (encountered mainly as an example of one of the longest words in the English language).
After we broke up, he was floxi to me.
floxi by Dr. Geek May 13, 2009
Word of the Day on September 28, 2026
NYC people who migrate north to Quahog, RI to see the leaves in the fall.
New York and everyone from there can fornicate themselves with an iron stick.
leafers by ss++ February 8, 2005
Word of the Day on September 27, 2026
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