ass bumps 

when your inside bumps go to the outside.

my dog, casey, was sniffing my butt and found my ass bumps!

ass bumps by The Ashleys August 3, 2006

ass bump 

When you lick your finger, roll it in coke, and stick it in your poop chute.

My bum is numb from that ass bump.

ass bump by Shunter May 21, 2006

bump ass 

Broken, busted, crappy, shitty, junky, non-working, inoperative or just plain pisses you off.

I got stuck at that bump ass stop light twice.

bump ass by Shiznamslappy April 16, 2009

Bump ass 

Anal sex

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.

Bump ass by susieque February 26, 2010