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An all round nice guy; smart, good looking, and fun to hang out with. Although he can appear quiet, he is a complete animal once you scratch the surface. His complementary subjects of interest are women and fucking, and will talk exhaustively on either topic when prompted. Rumoured to have a very large penis, he generously uses it to pleasure many ladies. Other men are surprisingly not jealous of Theon, because he makes sure his friends all meet sexy ladies too.

Not to be confused with Theon Greyjoy.
With Theon around we will surely all get laid.
by reasons August 26, 2012
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A coward who will use any opportunity to run away to save his own hide when faced with what he deems an insurmountable obstacle. The only thing he's reliable for is making you cry like a fool because you trusted him to have your back in the first place.
(In a fight): Man, I was no match for that guy! I thought my buddy would have my back but he was a total Theon and ran away!
via giphy
by Drogonsayswhaaa July 24, 2017
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