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1. spud gun
A makeshift cannon for shooting potatoes, usually made from PVC pipe. The two major varieties are pneumatic guns, which rely on compressed air, and combustion guns, in which a flammable chemical such as hair spray is ignited.
Guy at the hardware store: "I love shooting spud guns, just be careful not to blow a hole through your liver".
by puffy Oct 20, 2004 add a video
2. spud gun
A highly offensive term used to describe one who indiscriminantly sprays ejaculate onto common household items.
I'm not going to use a towel at that Spud gun's house, and especially not his remote control!
3. Spud Gun
A potato that is altered so that one may smoke weed from it
Okun was Tater Totting yesterday. I saw him take hits from his Spud Gun.
4. Spud Gun
A derogatory term for a homosexual male. Deriving from the small portions of faeces that can get stuck in the eye of the penis during unprotected anal sex being similar to the portions of potato that get pulled out when a small hand-held Spud Gun is inserted into the potato to 'load' it.
Hey, the street is closed for a gay rights march.

Fucking spud guns, get off the road.
5. spud gun
An individual who is prone to repeatedly dropping air biscuits.
John just rang, he's on his way over, the spud gun dropped his arse 5 times yesterday.
by Clout Aug 12, 2005 add a video
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