Mile Low Club

The opposite of the mile high club, where the requirement for membership is to have sex below the surface of the earth. Also applies to submarines.
Guy #1: I heard he went spelunking with his girlfriend last week. Apparently he joined the Mile Low Club.

Guy #2: Aww yeah I'd explore her cave alllllll night long.
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Nazi Soldier #1: U-Boat 96 just got back. I heard the captain joined the MLC while they were at sea, chicka chicka yeah chicka chicka.

Nazi Soldier #2: Nasty dude, that was an all-male expedition!
by arrivez à l'helico February 12, 2010
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