wallslapper 

A person that has so much excess skin after losing weight that it slaps the inside of their thighs!

"I hear Pam is getting plastic surgery because she was such a wallslapper after losing all that weight."

wallslapper by Stanley Black March 30, 2014

wall slapper 

(verb) when a song is so fire that you and your friends all join together and slap the walls of whatever room you're in while bumping to the beat

(adjective) a song that makes you want to slap walls

Mike: "Damn dude, Big Booty 13 is an absolute wall slapper. When I listen to it I'm thrown into the vortex."

Pete: "Yea, that song definitely slaps."

wall slapper by ghost of uzh October 27, 2018

Willyslapper 

Were someone who slaps your dick for so long you have an orgasm

Karina is a willyslapper and made Harry cum

Willyslapper by SPICYCHICKENFOOTLETTUCE January 26, 2019

Willyslapper 

Someone who slaps their willies against another man, possibly while the victim is asleep or drunk.

"That Daniel from Streetcar, he's a Willyslapper he is!"

Willyslapper by Joshua Sanders July 5, 2008