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the act of having sexual intercourse with a woman in a body of salt water while adding water to your hair until it dries into waves of hair. Also can be done while chugging a laxative (optional).
Can also be persormed on a water bed, but the intercoursers must be covered in salt water.
"Dude mike totally rusty tided the chick on the beach last night"
by Mike Iazzetto February 27, 2008
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