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slang for the word penis. about 6-12 inches long.
eh bro, did you smush that chick last night? yeah i used my man cannon to also blow my load all over her titties while she was getting ready to call it a night.
by da coolest guy ever August 18, 2010
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4
1. A device in Halo used to launch people over large distances, often used in Forge.

2. A penis
1. "Did you see that?! I just sniped that guy while he was being launched across the map by the man cannon!"

2. "Why don't you come over here and check out my man cannon?"
by Mistrissyuki August 14, 2008
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5
A Man Cannon is a hoodie made from thin material like a T shirt. The wearer (with hood on) resembles a man being shot out of a cannon.
Chris is wearing his man cannon again; it must be his favorite shirt.
by Crotchety ol Seasick January 22, 2017
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6
a guys cock that shoots out cannon balls
hey quazzle i bet u like to shoot your man cannon up other guys hershie highway
you damn quaz
by billythesnipe June 15, 2003
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