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11.
Teenage girls gather up/bunch up thier shirts in the back and secure the shirt's ponytail with a rubber band or the like.
When we were at the mall we passed a group of girls all sporting monkey butts.
by MichiganNorth Country November 26, 2008
 
1.
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
 
2.
when your ass gets so chaffed that it gets red, like a monkeys butt
by cream of some yung.. January 26, 2003
 
3.
A chafe recieved between the upper thighs and asscrack brought about by sweaty activities such as walking back and forth or working out of doors. Produces a Baboon-like rash on the buttocks.
"Man, I got a serious case of monkeybutt bartending tonight!" or "Landscaping gave the rudest monkeybutt yesterday!"
by Mick September 21, 2003
 
4.
Term of endearment: Can be used to describe a significant other or a loved one in a silly way.
I love you Monkey Butt!!
by I love erin :) March 02, 2009
 
5.
Term used in the motorcycle world to define what your butt looks like after a long ride either on-road or off-road.
"Man, I am suffering from some serious Monkey Butt after riding that trail all-day long"
by Howboucha December 18, 2003
 
6.
When you sweat prefusely in the butt area or you take a painful shit(crap) and It begins to hurt when you walk.
I sweat so much at practice my ass hurts and now i have "monkey butt"
by Blue pickle August 22, 2007
 
7.
after riding a motorcycle all day and your ass hurts so bad you walk like a monkey
by Chris Anderson May 26, 2003