First menstruation period for a woman, generally toward the beginning of puberty.
The onset of her early menarche was relegated to a general case of stress.
by misofluffy January 3, 2007
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The girls puberty was heralded by her menarche
by Joey January 2, 2004
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A system of government where the people are ruled by bleeding vaginas
Gestonia's government is a menarche.
by Hlalakar May 14, 2020
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The overdramatic, hurtful, mean, rude things a woman says when she's starting her period.
1) Boyfriend: "I love you, Honey." Girlfriend: "Eat shit!"

2) Sorry, I didn't mean to say that. I just started my period and I've got menarche mouth.

3) Bitchy went crazy...had a bad case of menarche mouth. She be flowing for sure.
by Jamal P. Franzia May 11, 2010
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