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A naked cannonball, where you poop (dookie) before you hit the water. Originated from a viral video, hosted on nothingtoxic.
by Stampitch November 05, 2010
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while in the act of performing a cannonball into a body of water, the person simultaneously performs a dookie (mid-air defecation) aka...taking a shit while doing a cannonball
john performed a perfect cannonball dookie into lucky peak.
by tiggermack September 14, 2011
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Something that can only be accomplished by a man with an incredibly loose asshole.
Me: Holy shit. That guy's poop came out of his ass faster than a rocket. He must be gay....

Friend: Nah man, that's the Cannonball Dookie.
by Dubitc July 14, 2011
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When a person attempts to make a "cannon ball" jump off a pier or diving board into a body of water while taking a dump at the same time.
Daniel Tosh showed a cannon ball dookie on Tosh.O last week and it was the funniest thing i've ever seen
by 61920 August 12, 2011
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