on a hot summer day when you dont wipe your ass good after a shit and your asshole gets chaffed and then sweat mixes in fucking up your whole day

when your ass gets so chaffed that it gets red, like a monkeys butt

after riding a motorcycle all day and your ass hurts so bad you walk like a monkey

The soreness in the rectal area after participating in such activities as anal sex.

Cute, affectionate name for a member of the opposite sex.
Used as a greeting

A man that is developing a bald spot on the back of his head resembling a baboon’s or chimpanzee’s ass. This phrase works best if the person combs his hair over this balding area and thinks nobody notices he trying to hide it!

a prolapsed arse, resembling that of a baboons arse or any other of those wonderful red arsed primates we descend from.