Top Definition
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 13, 2010
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 30, 2015

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