the act of someone shooting him/herself on the head.
Tommy decided to blow his brains after hearing the horrible news.
by KRHimself November 02, 2004
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wanking furiously
blow my brains out is a phrase used when you wank so hard that your brain EXPLODES EVERYWHERE FROM EUPHORIA
by eatingrice May 03, 2015
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Exploding semen in the back of her thoat while she deepthroats your dick.
I'm arriving. Ohhh yeah. "Blow her brains out."
by messy messer July 05, 2018
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To jerk-off purely out of sheer sexual frustration or desperation.
"Man, that ho at the club was grinding on me for like two hours, then she left with my friggin' roommate! I gotta' go beat the brains out of the little soldier!!!"
by richard vendor October 22, 2012
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A phrase often used by an angry spouse when their partner has described an inappropriate situation that they have been thinking about and the spouse would rather they didn't.
Peter: I'm just thinking about dem chicks! Dey were well fit! Banging!

Barbara: Go and wash your brain out!
by Barbara Peters February 04, 2010
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