A saying a person does when another person says an unfunny joke but you're being sarcastic about it, indicating it was the funniest joke you have ever heard in your life. (being sarcastic if you didn't get that)
"Hey Billy, why did the chicken cross the road?... TO GET TO THE OTHER SIDE!" *laughs hysterically*
"What a knee slapper, Timmy!" *slaps knee*
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
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
A nome with an intense lust to slap your shit repeatedly until he orgasms in which he then proceeds to eat it and jump back into your yard.
Man that g-nome was a real shit slapper. I don't even need a toilet.
The art of taking a shit on a womens face and than slapping it with an erect penis.
She became suicidal after agreeing to a Cleveland Slapper.
A Didly Slapper is funny but can be annoying at times.A Didly Slapper is a person who is shy and is afraid of tasks in life.When the crush of the Didly Slapper asks about him/her the Didly Slapper will reply "Meagrhh"when nervous.
When the Snail Eater loves cock too much so she spreads her legs for anything that has a pulse. When in reality no one values her because she looks like a rat faced bitch
French Slapper: Bonjour, I like frogs can I suck your dick?
Man: of course but everyone knows you’re no good at it