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A cum stain. Comes from the cartoon porn noise made when a man ejaculates. Also meant to imply squeezing one out on the fly or a surprise cum shot. Can be used to call someone a cum stain.
Hey dude whats that crusty stuff on your pants? Is that a shnoink? Oh man

Oh man im out on a date and there is a shnoink on my pants! What do i do?

Hey have you met ross?

Yea, he is such a shnoink
by DanceManYea March 22, 2014
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