a small penis that becomes unexpectedly large when aroused
girl 1: damn he had such a houdini weenie!

girl 2: ya i heard it grows better than it shows
by quarrion October 31, 2011
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When having sex with a girl doggy style, spit on her back, when she turns around thinking your done,cum on her face.
I was like a magican and pulled a Houdini weenie as a trick.
by The Amazing Pudges November 18, 2003
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a person who can do some real magic on the male reproductive organ. in laimens terms, you can make the penis erect and ejaculate semen.. thereof giving him the best orgasm ever!
That girl i fucked last night is a real weenie houdini, you think im kiddin?!?

I feel like I would marry that betch any second if she could satisfy me like a real weenie houdini.

So, you a weenie houdini or what?
by emily and danielle November 19, 2008
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Someone who cant keep theyre silly willy in there pantsy wantsy, and it always finds a way out like Houdini.
Jerome is such a Houdini weenie, 3 girls in one night. He really can't stop it from escaping.
by MOMO THE WIZARD April 29, 2022
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