An activity where two men stand side by side, and take turns slapping each other on the ass as hard as possible.
Russ: You are an asshole!
Chris: Oh yeah? Well, I challenge you to a bare bottom slap-off!
Russ: It's on like donkey kong!
Chris: Let me get on my ass-less chaps first!
Chris: Oh yeah? Well, I challenge you to a bare bottom slap-off!
Russ: It's on like donkey kong!
Chris: Let me get on my ass-less chaps first!
by Der Red Baron September 1, 2006
An activity where two naked or partially clothed men stand side by side, and take turns slapping each other on the ass as hard as possible.
Russ: You are an asshole!
Chris: Oh yeah? Well, I challenge you to a bare bottom slap-off!
Russ: It's on like donkey kong!
Chris: Fuck yeah! Let me get on my ass-less chaps first!
Chris: Oh yeah? Well, I challenge you to a bare bottom slap-off!
Russ: It's on like donkey kong!
Chris: Fuck yeah! Let me get on my ass-less chaps first!
by Der Red Baron September 1, 2006