Used to describe taking a dump with such velocity that your ass is splashed with water, resembling a cannonball hitting the water. Typically a result draft beer and fast food.
I went to the bar last night then ate a quarter-pounder, then birthed a cannonballer this morning.
by CRASH 513 April 13, 2010
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A “dive” in which you hold your knees to your chest and hit the water with your fat ass with as much force as possible, with the pout pose if creating as much splash, thus soaking everyone in the near vicinity
That cannonball your mother just performed strangely reminded me of the movie “Deep Impact
by Funnygirlincanada March 17, 2019
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v. to fart so powerfully that a small, round turd shoots out of your butthole and instantly leaves a giant stain on the back of your pants ...unless it is unusually firm. in that case, it just makes a small hole in your trousers.
"dude, paige just cannonballed all over her new levis!"
by Catherine, KFUNK, Paige May 16, 2006
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Cannonballing is when your poop just flies outta your ass
"I've just finished cannonballing," Jerry said
by HangryPotato November 24, 2016
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See; Angry Pirate
When the aforementioned act is performed by two men on a single woman target at the same time, therefor, a double-team Angry Pirate. Thus, leading to "Cannonballed", which is often exclaimed after the act.
"Dude, we banged this chick last night, but she wasn't into creampies, so we fuckin' CANNONBALLED her!"
by Sam'n'Mike December 22, 2008
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Bend down in the shower and mastubate, but right before you cum stand up and it shoots like a cannonball. (might hit the shower wall)
Dude yesturday I did the cannonball and it got all over the shower wall. Dude it was sick.
by Chris Faria October 15, 2008
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Materials Needed:
funnel, balloon, mixing bowl, wooden spoon

Preparation:
Pinch a glorious loaf in a glass mixing bowl of your choice. Add urine, then use a wooden spoon to work it into a soupy solution. Inflate the balloon by mouth, then insert the funnel into the opening of the balloon and pour the solution in while trying to keep as much air contained as possible. To maximize efficiency, the truly daring may choose to blow extra air into the balloon after the fecal matter has neen added. Tie the balloon (or "cannonball," if you will), then hide it where you will be engaging in sexual intercourse with your significant other.

Execution:
While boofing your partner from behind, discretely retrieve the cannonball from its hiding spot. Arm yourself by holding the balloon high above your head with two hands. Suddenly, pull out without saying a word. When your partner turns around, unleash your battle cry: "YAHTZEE!" Quickly hurl the cannonball at their face, popping the balloon, releasing the soupy fecal matter, and thus concluding your relationship.
Brad: "Hey Jack, what happened to you and Steph? I heard you two broke up."
Jack: "Well, she was pissing me off so I decided to hit her with the good ol' Missouri Cannonball."
Brad: "Hoez will be hoez."
Jack: "Real talk" *high five*
by scrambangles November 18, 2012
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