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 28, 2008
Get the Rusty Tide mug.