Top Definition
1. To be anally raped by a homosexual man.
2. Bum Failure, similar to heart failure but not fatal, your bum ceases to work and you shit yourself. No one will call 911 if you are an adult having a Bumattack in public.
1. Hey bob, y'know i was bumattacked by my roomates in college? It isn't as bad as they say it is...

2. "OH JEez, He's having a bumattack man!!! Bogus dude, let's get out of here"
by bumkenstein August 31, 2007
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