Top Definition
Some kind of sexual intercourse with someone who isn't from where you live.
Guy 1- Hey man, heard you got yourself some action while on your vacation!

Guy 2- Yeah, I got me some Alien Poon!

Guy 1- Wow, that was the dumbest thing I've ever heard.
by Superfly58 November 19, 2008
5 Words related to Alien Poon

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