The act of making love to an asian woman from behind in the rectum, and as the woman turns around you realize she has a penis. 85% of the time a donkey punch will result.
Last time I was givin' it to Sook Yin Lee in the ass she spun around and gave me a shanghai surprise! I'm not going back to china.
by chuck rogers May 13, 2008

During Sexual intercourse from behind, the penis is withdrawn, the male spits on his partners back, and begins to vigourously masterbate, and when his partner turns around, he ejaculates in her face.
by disMaL June 30, 2006

Come on. Everyone knows that a Shanghai Surprise is when you take a shit in someone's toilet and instead of flushing, you just put the cover down. When the next person lift the cover to use the toilet, there is a nice shit waiting for them.
by AKHolland January 06, 2007

to shit in a friend or foe's toilet without flushing. Leaving it to be found by the next unlucky soul. Prefereably at the point once discovered, the poo will have deteriorated into a cloudy substance which upon departiculation after initial flushing will release maximum odor.
by T3n5oR October 15, 2008

When you are having sex with a girl and she wants you to hit the gspot and her clit. So you have your penis inside her at an elevated angle to hit the clit reportedly. Then you take your thumb and reach around her and stick your thumb in her ass.
Man 1: why is natasha blowing up your phone all the time?
Man 2: I gave her the Shanghai surprise last week and she's hooked.
Man 2: I gave her the Shanghai surprise last week and she's hooked.
by Dirty Chaos April 10, 2018

When one of two people makes a fist, inserts the fist in the other persons ass, then opens their fist to make spirit fingers while hand is their ass.
by ViolentlyHappy726 May 08, 2016

My dog left me a Shanghai Surprise in my bedroom last night.
I did a Shanghai Surprise in your bathroom.
I did a Shanghai Surprise in your bathroom.
by Arcspork May 07, 2025
