by paul parry October 30, 2011

A disproportionately large muffler or exhaust pipe, mounted on an automobile with a small displacement engine. Named for the flatulence like sound the vehicle's exhaust makes.
A six inch fart cannon attached to a 1 inch tailpipe? Don't tell me. You've seen The Fast and the Furious at least once, right?
by 1Spectre4U August 12, 2003

While trying to poop, pushing and straining. The turd gives way and litteraly fires into the bowl and lets loose the "dammed" crap that was pressurizing the "cannon ball" and splashing the bowl water all onto the butthole.
Sorry about this morning babe, I didn't realize i had a shit cannon building up.
"...and once that cork let loose, (flatulant sounds)! Shitjust kept coming! Like I broke the shit dam and shit went all over the seat! It was sick!"
"why are you telling me about your Shit Cannon during our lunch break?"
"'cause the soup your eating looks like what I left for the Mrs. to clean up.".
"...and once that cork let loose, (flatulant sounds)! Shitjust kept coming! Like I broke the shit dam and shit went all over the seat! It was sick!"
"why are you telling me about your Shit Cannon during our lunch break?"
"'cause the soup your eating looks like what I left for the Mrs. to clean up.".
by Li Spatch June 12, 2010

The act of filling the end of a straw or other tube with cocaine and blowing it up the nose of a sleeping victim, timing it with the inhale.
Jimmy passed out during the dubstep pillow fight, so we hit him with a wow cannon. Then he raged feathers.
by drtylilwhiteboy January 12, 2012

by eterna2 August 14, 2008

by Meat wallet March 19, 2015

by dunder control October 12, 2010
