When you lick your finger, roll it in coke, and stick it in your poop chute.
My bum is numb from that ass bump.
by Shunter May 13, 2006
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when your inside bumps go to the outside.
my dog, casey, was sniffing my butt and found my ass bumps!
by The Ashleys August 3, 2006
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Broken, busted, crappy, shitty, junky, non-working, inoperative or just plain pisses you off.
I got stuck at that bump ass stop light twice.
by Shiznamslappy April 16, 2009
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Bump ass. The receiving or giving sex by using the anus

Now and then, for a change we bump ass. It makes for a real change.
by susieque February 27, 2010
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