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1.
The act of sending pictures of wang to all the contacts from someone else's facebook/myspace/etc. Preferrably anonymously
OH shit Charlie ! I can't believe someone penis bombed by facebook account !
by G1313 December 30, 2009
 
2.
An accumulation of ripped up pieces of papper with penises drawn on them. Penis Bombs are used when one throw the on a friend or random person.
I just "Penis Bombed" the shit out of some dude!

I just got "Penis Bombed", I think I might commit suicide now.

Is the "Penis Bomb" ready?
yeah let me just draw this last penis and then we'll destroy someone!
by soccerstud3 May 19, 2011