The act of using a weapon(usually an unloaded pistol or shotgun) in an act of sexual penetration.
...so I shoved the shotgun as far up her pussy as possible and proceeded to gunfuck her.
by M.R. May 30, 2004
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Gunfucker/Gunfuckers is an insult typically aimed at Americans.

A term for someone who gets sexual pleasure from guns.
1 Those American rednecks are such Gunfuckers!

2 That dirty bitch is a Gunfucker!
by Sharkieofthemidworld July 30, 2022
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