slap bet

A bet where no money or property is involved, and the prize for losing is getting to slap the loser across the face. Excellent for bets of extreme importance.
A slap bet is often monitored by a slap bet commissioner, that regulates the rules of said bet.

"Joe cried after he lost his slap bet"
"In a matter of this importance, only a slap bet will do"

by mrcool November 22, 2006

slap bet

Bet made on an item of trivia in which the losing party gets the shit smacked out of their face.

A: I think it's clavicle.
B: It's definitely tibia.
A: Slap bet?
B: Sure. (They shake.)

Later:

C: A bone named after the Italian word for flute is tibia.

(B smacks the shit out of A)

by heisenbergian August 29, 2009

fish slap bet

A variation of a slap bet wherein the loser has to buy a fish for the winner so the winner can slap the loser with it.

Peter: I fish slap bet you thriller will play on halloween night.
-------------------------------
(day after)

Adrian: buy me a wish!
Peter: OH.....crap!

by andrepa November 12, 2009

poop slap bet

A pact that is made by firmly grasping the hand of another with a solid dollop of feces between the palms. After the handshake, whomever loses the bet gets slapped with a similarly smeared shitty hand.

"Bro, I bet you can't stick this pencil all the way into your dick hole."
"....Wanna make it a poop slap bet?"
"You bet your shitty hands I do"

by matfremay2015 December 09, 2018

The Slap Bet

From the iconic show How I Met Your Mother: If one loses a bet they can choose 10 slaps at the moment or 5 slaps that can be used at any time.

If you lose you have to choose one of the options from the Slap Bet.

by mrstealyogirl May 28, 2018