referring to when a man is abnormally sexually built up, so upon contact, the man blows his load.

Antonym- Whiskey Dick.
1) John tried to have sex last night but had pistol dick so he was done before he could even start.

2) I wish i didn't get pistol dick every time I fuck a hot bitch.
by RonKirkPants November 21, 2009
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The act of a loser spraying with a pistol on Call Of Duty 1.
*Get sprayed by some loser using a pistol on Call Of Duty 1*
- "Man, that guy is a pistol dick!"
by Big-Bush Nukka-Tush January 30, 2010
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