Having intercourse when neither party knew it was going to take place.
I swear to god judge it was not rape, it was surprise sex, I did not see it coming either
by NWTF April 2, 2008
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Surprise sex is the same as rape except you can't get in trouble. The word "Surprise" must be stated before the act.

Disclaimer: There is no guarantee that this will hold up in the court of law.
Surprise, bitch!! 'Hope you like Surprise Sex.
by TheRealCK May 9, 2011
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Having sex with someone while they're asleep but when they wake up you yell: "Surprise!"
WHAT ARE YOU DOING?!?!?!?!

SURPRISE!!!!

WHAT??!?!

Surprise sex. Is it really that hard to understand?
by poopsmith74 December 6, 2012
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1. Unannounced and/or forcible sex which ISN'T rape. The kind performed in roleplay, in "dom/sub relationships", and in certain orgy/rock-star-groupie type situations.

2. The old male trick of pulling the penis out of the girl's cunt and slipping it up her shit-hole.
e.g: you can tell a true "do-me girl" by the fact she can't remember her last fuck which wasn't surprise sex
by su france April 7, 2010
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A jokingly term used to describe "Rape" in Adult Japanese Animation Anime i.e. Hentai Manga Doujinshi etc.
A women opens door to her bedroom

a man is on her bed smiling

he grabs her and begins having his way with her

And says surprise sex time!
by Shinji Ex April 17, 2011
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The best kind of sex. Not rape like previously thought of.

It can be long, but is usually a "quickie," sex done quickly and shameless with your partner!

Surprise sex has been going on for millenia and was quite popular in classical Greece and ancient Rome.
Guy: Hey girl, it's me...guess what?

Girl: What?

Guy: Surprise!!! It's time for some surprise make-up sex! You'll love it! It's my surprise sex for you tonight, baby!
by LuffDogDictatesUrbanDictionary January 11, 2010
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