The act of sex involving a swing, a man and a woman. The women sit on a swing with her rear hangin' off while the man stands up behind her such as the statue on the frot of a pirate ship would.
Friend: Dude i did the Bionic Seahorse last night!
You: That's butch league, i did the Backwards Pirate Ship!
Friend: Dang!
You: That's butch league, i did the Backwards Pirate Ship!
Friend: Dang!
by Adam Doordik October 1, 2009
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