Definitions by Danhan

Jap-slap 

definition 1: When you slap someone with your penis, normally around the face.

Definition 2: To be slapped on the end of the penis.

Dude1: dude you just hit me on the end of my dick.
Dude2: ye man you got Jap-slapped

Jap-slap by Danhan January 11, 2008