(n.) A horny grouchy person.
(ver.)That person is being a grunchy
That one person that you know hasn't had sex in a while and they get mad at the world for everything. The person who see's a love scene in a movie and all they do is comment on how lame it is, and wrong. The hater in the group that hates on any couple showing ANY form of PDA.
Why is Mr. Peterson so grunchy?
Damn, she grunchy!
by CanYouHEarme November 24, 2013
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When you're chilln and don't want to be messed with.
Me and my boys are hanging out and we're feeling grunchy.
by OG baby crack July 30, 2018
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