Top Definition
On vacation you will find that you have a CANNON, PENIS!!!!!!!!! :)
I want a Cannon Penis!!!!
by paul parry May 31, 2011
a big penis first defined in a joke made by a youtuber
that guy has a cannon penis,bro!
by annabeth aanse August 10, 2012
A large penis that is able to shoot out cannonballs
Ian(from Smosh): "You want more Cannon Penis? We'll give you more cannon penis."
by TheTerrorthatflapsinthenight September 12, 2011

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