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
by urexcellency May 16, 2003

by cream of some yung.. January 26, 2003

by Chris Anderson May 26, 2003

Hey girlfriend, I'm got a bad case of monkey butt after my boyfriend slammed it up my ass all night long.
by TFWI June 11, 2018

by rhinorider November 03, 2006

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!
by LisaD143 August 28, 2005

a prolapsed arse, resembling that of a baboons arse or any other of those wonderful red arsed primates we descend from.
by AaronMF October 03, 2005
