Term used to refer to the humongous exhaust pipes ricers put on their slow cars to make it look and sound like a fast car.

Also called rice pipe, apple shooters.
Dude! Check out that rice cannon, I bet he gets an extra 50hp from that!
by Whitney Yiu July 31, 2006
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When a woman shits on a man's nutsack.
"Barbara and I shared a colon-cannon rice cake last night. It was magical."
"Neat-o man!"
by Tom26 November 13, 2013
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