yogurt monkey 

the act of jumping on someone's back like a monkey by surprise, piggy-back style, in the midst of the assailant ejaculating.

Dude i got the worst yogurt monkey walking back from the club last night.

yogurt monkey by mrcowboxers May 12, 2011

monkey eating yogurt 

a code word for an asshole.

person 1: did you see what that guy did to her?
person 2: yeah! he's a monkey eating yogurt!

monkey eating yogurt by Creepy Carrie April 26, 2009