As a man reaches climax whilst in the "doggie style" position, the man pulls out and spits on their partner's back, fooling them into thinking that he has ejaculated, however, when their partner turns around, the man lets loose his baby yoghurt in his partner's face.

by mwmfnjdsnfjknskdnfsdf March 18, 2008
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when you're fucking your girlfriend from behind, then right when you're about to blow, pull out and spit on her back. she'll think you blew, and when she turns around, you blow your load all over her face/chest
tom gave his girlfriend the houdini and got it all over her face
by JonSk81983 August 21, 2005
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A sexual position/plot where a man fucks a woman from behind facing a window. At this point his friend secretly takes over for him. The man walks outside and looks into the window and waves. The woman will be suprised/shocked to see him outside and wonder who is fucking her instead
When i saw you outside steve i couldn't believe matt was laying the pipe.. that switch-a-roo Houdini was great!
by mclovin323288743843 February 7, 2008
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When a man is close to climax while having sex in the doggy style position he spits on the womans back thus giving her the sensation that he has ejaculated. When she turns around the man gives her an unexpected facial while shouting "Houdini"!
"My girl would never let me give her facial so I had to give her a Houdini"
by sandman6373 August 28, 2007
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Most of you guys aren 't getting this one right, a true houdini is when a man is doing doggie style with a woman. The man reaches a point of climax, pulls out and his buddy quickly comes out of hiding and begins to take his place In doggie style with the woman. At this point the original man sneaks around to her face, blows his load onto the poor girls face and yells at her loudly "Houdini!" The act described in other definitions involving spitting on the back of your partner and then jizzing on her face is actually called a Philly Fakeout.
My pal Fitzy hid in the closet and came out at just the right time and we pulled a houdini on her. Needless to say, she was pissed.
by Allan Ford January 18, 2015
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When you feel as if you're about to shit and nothing comes out.

Just a pure gas bubble
I had a Houdini in class
...Luckily
by krejci.james@yahoo.com April 23, 2010
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1: A poop that mysteriously disappears when you stand up to flush.

2: Having to poop but managing to squeeze a fart around it. Thus defying the laws of poop gravity.
Example 1:
I'm telling you... I got up to flush and the 2 hour terd was gone. Total Houdini.

Example 2:
I thought I was going to shart for a minute there but I Houdinied it.
by Scooter118 March 11, 2009
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