1 definition by MeMeMei

When a woman bleeds from her vagina for 4 - 7 days and is usually pretty irritable because she has to either shove a stick up there or wear a mattress between her legs until she is DONE menstruating- also she has a bunch of extra hormones so BACK OFF.
- I've noticed that Natalie has been being a real bitch lately.
-> Man, she's just menstruating.
by MeMeMei November 28, 2008
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