Top Definition
A hard-on induced by the act of killing, especially in video games.
Dude 1: Did you see that guy's guts spew from his mouth?
Dude 2: Yeah, I have the biggest murderection now.
Dude 1: Me too, I have a total murder-boner.
Dude2: Let's kiss.
by rrza May 30, 2013

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