Knee slapper 

adverb. A term used to describe a dumb-ass joke. Its inception was the result of someone noticing their friend slapping their thigh/knee when a joke was told. It's an official "knee slapper" when the person laughing sqints their eyes, slaps their knee, and can barely speak due the amount of laughimg taking place. This definition is considered a "knee slapper".

What do you call someone who doesn't fart in public?

A private tutor!!

-knee slapper

Knee slapper by MegDar September 20, 2009

ground slapper 

Negative Racial term used for black people comparing them to monkeys

the ground slappers are at the zoo

ground slapper by 79_elko February 14, 2010

giant nazi slapper 

someone who slaps a large amount of nazi's

look john just slapped 12 nazi's

giant nazi slapper by Alber the third May 13, 2005

New York Slapper 

This is when a man comes home after a really hard days work and is sweating profusely and decides to slap his woman in the face with his sweaty balls...getting sweat all over her face.

Jim: "Ah man. I've never worked so hard in my life...I can't wait to go home and take a shower!"
Tom: "Hey, before you take a shower, make sure you give your wife a 'New York Slapper'. Ya know, get a lil nut butter on her face!"
Jim: "Heh, heh....see ya tomorrow, Tom."

New York Slapper by KayDeeaRe August 13, 2009

willy slapper 

A person who enjoys slapping his penis

Abe's cock is sore because he is a willy slapper.

willy slapper by Love Monkey January 18, 2006

belly slapper 

A MAN with a penis long enough & hard enough to SLAP against his own belly when doing a pelvic-thrust dance for his newest conquest.
makes a great sound , & can cause "pink-belly" if performed for extended periods

I saw Tepo doing a sick belly slapper routine for some "night-rider" on the net.

belly slapper by Rondo Calarisian April 16, 2007

salmon slapper 

When your fucking a female with a very loose vagina, and you start eating her out. Her vagina is so loose that it all falls out and slaps you right in the face.

Wow, that chicks vagina was so loose that i never even got to fuck her. She gave me a salmon slapper 2 minutes into when i was eating her out.

salmon slapper by GMoneySagHairs January 28, 2008