When your balls be fly as hell.
Bro your balls be lookin’ pretty testicool.
by KingGrizzly69 November 30, 2019
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Adj. having the coolness of a testicle.
It is often used as a vulgar and derogatory nickname for people you dislike.

Joey "Did you just see that bro dude walk by?"

Sally "Yeah, he was really testicool."

by Rednick Billy April 27, 2009
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