Top Definition
when a woman gets on her period but unlike regular times this time she goes apeshit.
Girl: My stomach hurts buy me some crackers.
Guy: Its midnight thats ridiculous we don't even have crackers.
Girl: (slap) I don't care get me some god damn crackers!
Guy: WTF you such a period banshee!

Girl: I am gonna slit your throat!
Guy: FML
by dedodude January 26, 2011
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