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1.
When menstruation runs down a womans' legs
When a dopey blonde forgets to change her tampon, and her period drools down her leg, thus being known as Period Leg
by zoobear April 07, 2006
 
2.
When you are menstruating and it drips down your leg
Oh my god zoobair is on his period and its dripping down his leg, wat a fucking PeriodLeg
by divya and kiran April 08, 2006