Top Definition
n.; An erection aroused by violence
Clubbing baby seals gives me such a murder boner!
by D. Pratt November 15, 2006
5 Words related to murder boner
On a male, the physical effect of being aroused at the thought of extinguishing a human life.
An old lady crossed the street in front of my car and I got a murderboner at the thought of flooring it.
by Danny Valentine December 11, 2010
When you're jonesing to see a gruesome death on film, you can be said to have a murder-boner.
"What do you wanna watch? I have such a murder-boner."
"Silence of the Lambs always cures my murder-boner."
by Seeing Double November 10, 2013

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