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1.
Having sex with a woman while she's on her period.
Stir the paint is having sex with a woman while she's on her period, not one her period--ON her period fucknuts!
by Rocket1 February 05, 2012
 
2.
Having sex with a woman while she's one her period.
It's Susan's time of the month again, I hope she'll let me stir the paint tonight.
by Harry Bullocks October 02, 2011