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A sexual position/move in which an of age & consenting woman gets into a bathtub full of water while wearing a snorkel. A guy sits on top of the submerged woman and rubs one out into the snorkel.
Girl: "My feet are still pruney from last night."
Other Girl: "What happened?"
Girl: "This guy took forever to Mayonaise Submarine me!"
by RedOctober1 October 05, 2011