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1. monkey butt
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
2. monkey butt
when your ass gets so chaffed that it gets red, like a monkeys butt
3. Monkey Butt
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"
4. monkey butt
after riding a motorcycle all day and your ass hurts so bad you walk like a monkey
5. Monkey Butt
A term used to describe a man or woman who can grow hair fully, and to a substantial length on the buttocks.
Before the hair transplant, Roy was a Monkey Butt.
6. Monkey Butt
When you stay in wet clothing (usually swimming trunks) for to long, you're butt begins to itch.
Thus causing you to scratch it profusely, often ending in you looking like a monkey.
Dude, I went swimming and never dried myself off, now I have the worst case of monkey butt ever!
7. Monkey Butt
Term of endearment: Can be used to describe a significant other or a loved one in a silly way.
I love you Monkey Butt!!