When you're having sex with a girl doggy-style in front of a window and she is tied down (this is important) and all of the sudden you tap out with your friend so now he is having sex with her and you show up in front of the window, on the second floor, in a three-piece suit and top hat. She gasps at amazement when you pull two rabbits, also having sex, out of your top-hat. The rabbits turn into confetti then you throw down a smoke bomb and disappear. At the exact same moment your friend runs out the door without her noticing. You high-five your pal in the parking lot and go for milkshakes. Then she wakes up...
Wow, you really pulled off a Houdini tonight boys! - Milkshake maker at your local pop shop
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Normally when you take a dump, the logs congregate in the bottom of the bowl, making something of a brown pile (color depends on what you may have eaten in the past day or two). A Houdini occurs when the log comes out in such a tight stream and well aimed trajectory that it disapears directly into the toilet drain.
by mr bill bob sven August 15, 2007
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Much different than a 'grower' a Houdini is a penis that when flaccid, there seems to be nothing there. A possibility of a very small penis, but once erect is both long and thick, maybe even above average. A true Houdini penis will make the receiver experience a bit of fear/regret at its reveal.
Becky: There's no way he's big! I mean, he's wearing skinny jeans and I can't even see the hint of an outline.
Savannah: Oh you'd think so, but trust me...He's a Houdini.
by niallsblckgirlfriend August 7, 2017
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A Foster the People song off of the album "Torches". The song finds Foster comparing how a magician like Houdini can hide behind their tricks, whilst as a musician he is unable to escape when performing.
What do you think of the song Houdini?
It's fucking great.
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The god of finesse, nature, and knownism app in one. (also known as houdini2times on social networks)
All hail Houdini. Houdini is me in history.
by E.W.TheCreator December 24, 2019
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1. In reference to the great escapologist, Harry Houdini, who popularized the disappearing act; Any female who loves you, leaves you, and then wants you back. A Hudini, usually around the age of 18 or 19, will act totally interested in you one minute then disinterested the next. Often times a "Houdini" will initiate conversations (whether it be in person, facebook, or text) and suggest wanting to hanging out, but then disappears on you when you least expect it.

2. A flaky, two-faced, inconsiderate female. She almost always acts unaware of her inconsistency. The men who fall victim to these "Houdinis," are warned to undo the leash tied around their neck and abandon ship before he falls victim subsequent times. Those who are deemed a "Houdini" must be called out on it, preferably in person and without apology.
"Hey bro, so how's that girl you took out the other night?"

"Oh her? She's just a Houdini. I've got better things to do than spend time and energy on one of those."

"If she wasn't such a Houdini, I'd consider taking her up on her invite to the concert."

"I'd hang out with you but you're currently on my Houdini list after that disappearing act of yours! (she'll ask what it means and then you can define it for her)

"-Oooh, the Houdinis of our lives *groaning in frustrating*-"
by nosmokeandmirrors November 19, 2009
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When you are doing a chick from behind, then spit on her back after pulling out. When she looks behind cuz she thinks you're done, you get her in the face.
John gave Marsha a houdini last night. She still hasnt gotten the jizz out of her hair.
by maxb November 24, 2005
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