The art of farting whilst having diarreha on the toilet. The result is a shit coated toilet and a brown ass. The thudding sound it makes sounds like a cannon
Person 1: Man I had the worst shit ever today after that kebab

Person 2: Count your self lucky, I had the cannons after eating at that new Mexican place

Person 1: Ahhh gross man, bet the girlfriend had a good time cleaning that
by glassybubbles122 November 15, 2011
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the use of water cannon against people, usually in order to disband riotous crowds - or peaceful political demonstrations
It looked like a harmless bit of student civil disobedience, but some overzealous crowd controller gave the order to cannonize them.
by ΔиłĦ☼иצ ߀₡ʞ November 07, 2012
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A powerful and unstoppable foosball move that both amazes and astounds the competition.
"Yo Mags, if you keep using the cannon, I'm quitting and going back to the kegger."

Guy #1: "Man, your cannon is unstoppable."
Guy #2: "That's what she said."

"I will beat you with the cannon and you will bow down to me as the greatest foosball player ever!"
by phluke96 September 07, 2011
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meaning that it is 'of the story' or something that could/did ACTUALLY happen in a story, used by fans and fanfictioners
Izzi: Gosh, Marrie, you really like the Harry and Ginny pairing for Harry Potter...
Marrie: Yeah, but it's totally cannon.
Izzi: I know, I read the seventh book

Jen: OMG! McGee and Abby are such a cute couple.
Dan: And it's cannon, have you seen the latest NCIS episode?
Jen: I know, Abby totally kissed McGee's head!!
by Guy McCracken April 27, 2009
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In Philadelphia this term is used to describe a violent or reckless person.
That youngan is a cannon.
by Lbs. December 23, 2006
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1. A blunt (see blunt, L, philly, dutch, etc.) that is large in diameter. A blunt containing 3 or more grams of marijuana can safely be considered a cannon.
roll a cannon
spark the cannon
that cannon killed me man
by sherLocke October 24, 2005
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