1 definition by Ninja Monkey Boy

Top Definition
While having sex doggy style, pull out, then smack the receiving person on the ass with your foot without removing your hands from their waist. Re-insert and continue.

The name is derived from a monkey's foot.
How'd you slap my ass? Both of your hands are on my waist.

Monkey slap, baby, monkey slap.
by Ninja Monkey Boy February 20, 2009

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