A portmanteu of Shit and Coom.

When your a Coomer and you dont have time to stop cooming to take a shit; you Shoom.
"I was too busy cooming to stop and shit, so i just shoomed."
by Spking99 February 6, 2020
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Accelerate at fast speeds. Or just going fast.
Charles shoomed down the hill and hit a kitty.
by Corey b-sexy August 22, 2007
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the process of using anything from two fingers to a piece of wood to finger a fully-clothed persons bum whislt simultainiously saying the word "shoom".
by Tamos May 19, 2008
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similar to the shoop except wiping the face NOT the inside of mouth.NO ORAL PENETRATION HOKAY
"goddamit matt you fucking shoomed me with man paste dickwad"
by bernard February 2, 2005
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when a female has one significantly larger breast than the other.
"Holy shit, look at those shoom boobies!!"
by asynd February 23, 2008
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Extremely impressive, or daunting; inspiring, great admiration, apprehension, or fear. Possibly the most powerfully connected and respected forms of life. My milkshake brings all the boys to the yard. Horny as shit balls. Nathaniel...watch your back
Shhhhhom Shaaaack!! so fuckin big!! shoom shack
by SHOOMSHACK May 21, 2015
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another way of saying you're shook
man, i'm shoom!
by ackingjermy September 30, 2018
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