Going home with a casual sex buddy only to find that she/he is not the gender you had once believed.
Oh... Girl.. Ah.. No girl, let's leave the lights on.. "Surprise!"
by Bobby Buche August 11, 2003
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An explosive device. A booby trap. A package bomb. A hand-tossed grenade.
Long before George Harrison, Sean Penn and Madonna and the movie they made by that name, a Shanghai Surprise was a home made bomb used by the Chinese tongs or gangs. The expression probably dates from the late 19th or early 20th century. While I cannot cite chapter and verse of it's origin, I'm older than Madonna and understood the expression at the time the movie was made. Not everything is about sex, kids. That's why I unsubscribed from the UD.
by The Twentieth Man April 10, 2011
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a transvestite or hermaphrodite that you didnt know was not either of the 2
Guy 1- Do you know that girls a dude?!

Guy 2- SHANGHAI SURPRISE!
by woopwoop88 August 10, 2009
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To find Al Gore in your toilet.
I was gobsmacked to find a Shanghai Surprise.
by Friday13 July 18, 2010
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a form of sexual intercourse that involves Asian spicy noodles being inserted into a woman's snatch and a man continuing to have intercourse with her.
Sue's vag was nice and spicy after a night of a great "Shanghai Surprise".
by See Shang Shong June 3, 2011
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To spunk in someone's hair during the night. When they wake up, their hair will have the consistency of wonton noodles.
These wonton noodles taste funny.
by jmc October 15, 2002
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To ejaculate on the back of someone while they are asleep or passed out.
I totally gave her the Shanghai Surprise last night after she passed out on the bed!
by Bixby_222 July 11, 2008
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