Top definition
Mean, Sour, Ugly, Grimmy
Ayo son yo moms is fuckin grinchy as hell
by scott March 18, 2005
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2
that good superb chronic usually very green and smells as good.
yeah i got that grinchy in this weekend u wanna sacc?
by cze July 19, 2005
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3
to get down; to make a scene i.g. act a donkey; also an abbreviation for 'Grincy Gaffix LLC'
"I'ma gettin' GRINCHY with it! Na na naaa!"

"Tay and Kevz get GRINCHY on stage!"

"Grinchy Gaffix LLC is a top design firm in the United States."
by The Grinch Machine July 30, 2008
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