Definitions by Russian.
Waterproof Sex
When two people are having sexual intercourse in the same latex fat man suit while submerged in a pool, lake, ocean or any type of liquid, therefore ensuring satisfaction and staying dry.
Tony "So what did you do last night with Emily?"
Anthony "We had waterproof sex, it was like doing it and defying gravity"
Anthony "We had waterproof sex, it was like doing it and defying gravity"
Waterproof Sex by Russian. May 13, 2010