look up any word, like blumpkin:
 
2.
an male who tends to hang around the anal orifice of other men
dude that guy checking you out is a bum monkey
by captainspanker October 31, 2008
 
1.
Of Arab origin, a Bum Monkey is a small, Anal-dwelling monkey that makes a habitat out of the rectal passage. It feeds off lumpy faeces and looks like a rodent.
Karim is a Bum Monkey in Fahd's ass!
by Maverick Corleone May 28, 2006