Top Definition
When one is masturbating and something goes terribly wrong.
So get this, I was rubbing one out last night and I ripped my foreskin. It was a total faptastrophe bro!
by Steve McAlistar January 11, 2011
a catastrophe that happens during masturbation.
it was a faptastrophe man. I was making knuckle children, and my mom walked and i blew on her knee!
by captainsusan February 28, 2013
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