An unattractive female, or another word for ugly. Groicen travel in packs and occasionally trick a noice into joining their pack. If a groice is a bitch then she deserves to know that she is in fact a groice.
Annabel: Hi guys!
Zach: Groice!!!!
run's away
Zach: I'm sure glad that groice didn't hang around for too long
Dan: "Thank god."
by jewman98 September 24, 2013

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