Top Definition
A Rusty Dock is accomplished by a woman (or man) first deficating, and before cleaning themself, has anal sex by sitting on the erect penis of a man who is sitting on the toilet that the woman just deficated into.
Person 1: Dude, I think Jessica just Rusty Docked onto Ryan!

Person 2: No way! Go Ryan!
by Rusty Dockings July 21, 2013

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