by Kokapetl January 18, 2009

To use one's penis and slap someone across the face with it. Usually its a girl getting slapped when she sucks the penis improperly.
guy 1: nicole last night gave me a horrible blow job.
guy 2: oh did you c-slap her?
guy 1: yep across the face.
guy 2: oh did you c-slap her?
guy 1: yep across the face.
by little white May 20, 2008

The act of applying fecal matter to another by placing it in the palm of ones hand and slapping a person.
Billy returned from the bathroom and applied a wicked crap slap to Tommy, covering his face in fecal matter with an audible crack.
by Da Definer November 7, 2006

Slapping another person's forehead with the backside of your palm, as popularized in the commercials for a certain tomato juice.
Dude 1: Man, you ordered a whole meal with no vegetables?
Dude 2: Yeah. What's wrong with that?
*Dude 1 V8 slaps Dude 2*
Dude 2: Alright, I'll go to the salad bar.
Dude 2: Yeah. What's wrong with that?
*Dude 1 V8 slaps Dude 2*
Dude 2: Alright, I'll go to the salad bar.
by dantephreak July 7, 2008

by PHSFALCON November 21, 2010

*Butter Slaps Ron*
Ron: What was that?
David: A Butter Slap.
Ron: What's that?
David: When you wipe the sweat off your balls and slap someone in the face.
Ron: Eww WTF?
Ron: What was that?
David: A Butter Slap.
Ron: What's that?
David: When you wipe the sweat off your balls and slap someone in the face.
Ron: Eww WTF?
by Person88888 August 13, 2012

by mcnuggetdestroyer January 3, 2018
