to slap cheeks is to bang. when individuals join in intercourse, the sound of their bodies is what slapping cheeks derived from.
by cheek slapper June 19, 2018
by overdrive123321 April 05, 2008
The act of offering one's seat on public transport (most commonly the Subway) to a lady who appears to be pregnant but who is, as it turns out, just a bit fat.
John: Excuse me ma'am I see you are with child may I offer you my seat?
Natasha: What, bitch? Are you fat-slapping me!? I'm gonna beat yo' sorry ass!
John: Fuck off.
Natasha: What, bitch? Are you fat-slapping me!? I'm gonna beat yo' sorry ass!
John: Fuck off.
by J-Sox August 02, 2009
Where you fill your ass with a bunch of air, then slap your freind releasing what is a so called "Whoopie Slap" or a massive fart.
by Liwty:) January 10, 2011
by The Informant August 16, 2003
by fashionfreak March 04, 2009