Top definition
When you ruin your 'bro's' chance of getting somewhere or something in life.

eg, a promotion, a new girlfriend even sex.
Bro 1: ...So anyway you want to head to my place, watch Zack and Mirri Make a Porno, then make out for a while?

Girl: Sure, i'd like that.

Bro 2: Remember the time we were in the shower and i commented that you were bald where your pubes are meant to be, was sooo funny...

Girl: Do you know what... I have a erm knitting class on at 2 in the morning sorry.

Bro 1: Thanks for the Assisted Bromocide

Bro 2: ...
by Traktor Chelyabinsk November 08, 2009
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