Penis cannon:
1. A cannon shaped like a penis that fires ordinary ordinance.
2. A cannon that fires a penis instead of ordinary ordinance.
3. A cannon that fires several penises instead of ordinary ordinance.
4. Any combination of the above.
Enemies sighted! Prepare to fire the penis cannon!
by slopeeps November 14, 2010
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When you have a massive amount of cum shoot out of your dick with explosive force
Don't get to close the penis cannon is unstable
by The D-fīner March 29, 2015
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On vacation you will find that you have a CANNON, PENIS!!!!!!!!! :)
by paul parry May 31, 2011
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Ian(from Smosh): "You want more Cannon Penis? We'll give you more cannon penis."
by TheTerrorthatflapsinthenight September 13, 2011
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