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A green residue that is left by a greebo. It is usually found on a wall because of its sticky nature. You should never touch a greb stain unless you are a greebo because it could have unforseen consequences.
Person 1 - "Hey, look at that greb stain on the wall."
Person 2 - " go and lick it."
Person 1 - " fuck off, I am not a greebo."
by jibby115 May 07, 2014
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Aug 11 Word of the Day
You can tell by the way she walks, she got that WAP.

You can look at her face and tell she ain't got that WAP.
by Black Don August 06, 2020
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