The action of a girl thrusting her crotch againts someones butt.
Look over here this gril is Butt Humping me.
by MightyPazza December 23, 2010
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a (not so) endearing term used to describe a friend who is very perverted, and makes lots of sexual jokes all the time. similar to a 'butt munch'.
"Billy is being such a butt hump today!"

"Stop being such a butt hump!"

"Yo, stop butt humpin', bro!"
by SomeoneWithAnAwesomePseudonym! February 22, 2010
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sauce that pours out of an ass when getting rimmed
dude your ass is pouring out some butt hump sauce!!
by slab dog May 27, 2012
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