Definitions by little white

c-slap 

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.

c-slap by little white May 20, 2008