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Red Water Rafting is the act of going down on a girl during her time of the month
Guy 1: I stayed over at my girlfriends last night

Guy 2: Did you have spag bol for dinner? You still have stains around your mouth

Guy 1: Naa, I just went red water rafting

Guy 2: You're nasty. Get away from me. Your breath smells like iron
by gonzo89cb September 17, 2009
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2
Fucking a chick on the rag and making her squirt, getting it splashed onto your face resembling a white water rafting ride.
Todd was unable to make her squirt, so Mike hopped on and showed him how to do some red water rafting.
by Sticky whistle teeth October 21, 2017
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