“Shamoo” when a person flakes, doesn’t show up, is being lame or messes something up.
Someone who missed a workout:
“you shamooed”
“Don’t be a shamoo
“That was a shamoo”
by Shamoo August 31, 2019
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When you suck water into your anus, then you push with force and spray it out into the surrounding area.
When he shamooed me it resembled a whale spraying muddy water out of his blowhole.
by Damidnightpoopa December 30, 2013
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A large obese boy/girl who resembles a person with down syndrome. They tends to think

of retarded nicknames for themselves in shape of odd intangible things. Also another easy way to

spot a Shamoo is to tell a funny joke, if he responds with laughter then he

might just be a fat ass, but if he looks into your eyes and rubs his johnson

vigorously you might have a Shamoo in the midst.This name can be given to any

one that meets the criteria, but is in best use if the names sound similar.
"What is that creature lurking in the mist" "Oh that's just Shamoo Schaller"
by unknown tootsie January 7, 2010
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"woah tori, look at that Shamoo"
"oh yeah, i see him"
by Emma-Lei November 23, 2007
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To lick the top of one's asswhole to the top of their Penis.
Francis gave Leslie a SUUUPPPPER shamoo last night.

That shamoo tickled ya big silly! ;-)
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A situation that appears to be sketchy or not safe.
"Bro that turn on the track is so slippery."
"I know bro, it's shamoo."
by wickedfugginsmaht February 22, 2019
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shamoos is a girl who is beautiful

She is a shams (sun) that will never stop glowing.
Goodnight shamoos ILYSM, stay shining.”
by Rxxxdhxxxxx December 8, 2018
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