knee-slapper

when someone slapps their knees because somethings really funny.

eg. danas brother sings and dances to 'its raining men' KNEE-SLAPPER

eg. claudias hair is ranga *slaps knee*

by dont you just wish you knew July 13, 2009

knee-slapper

a joke that is so silly that in order to handle it you must slap your knee

Rick told me the best knee-slapper yesterday.

by KROGO July 6, 2005

knee-slapper

A funny story or event. Generally used facetiously. If not used facetiously, the user is a dork.

AHAHAHAHA, that's a KNEE-SLAPPER!

by emelizabeth October 30, 2004

knee-slapper

antonym for a bad and cheesy joke

Guy 1: what do you call cheese that isn't yours?

Guy 2: Idk what?

Guy 1: nacho cheese

Guy 2: now that's a knee-slapper!!!

by billystiggle February 3, 2012

knee-slapper

something really funny (from the slapping of the knees and hitting the floor associated with laughter.

That was one heck of a knee-slapper.

by The Return of Light Joker September 27, 2008

Knee-slapper

Something so hilarious it makes u slap your knees. Funny moments that cause uncontrollable laughter.

My niece and I seen a man with a car dealership flag on his bicycle chased by a bunch of Chihuahuas, it was such a knee-slapper!! Hahahaha

by MainRain October 13, 2018

Knee-slapper

When you cut your knees off and slap your partner with them

I was having a bad so my husband gave me a knee-slapper

by Unifart April 2, 2021