Something totally unexpected, and/or shocking; Something nobody saw coming. Also a cry one emits when bringing doom and/or shock upon thier unsuspecting victims.
A perfect example of a SURPRISE COCKFAGS moment:
*Solid Snake appears in Super Smash Bros Brawl trailer*
Public: WTF?
Nintendo: SURPRISE COCKFAGS!
*Solid Snake appears in Super Smash Bros Brawl trailer*
Public: WTF?
Nintendo: SURPRISE COCKFAGS!
by Dead_Decoy November 5, 2006

When you fake your girlfriend into saying you're going to stick it in her pussy, but stick it in her asshole instead.
Kunal's girlfriend was expecting him to stick his rod in her pussy, but he stuck it in her ass while yelling "ANAL SURPRISE!"
by djphotik June 1, 2006

v./n. inf(!) to unexpectedly penetrate someone's anus; often, of a heterosexual couple engaged in doggy style intercourse, when the male withdraws from the vagina, and hilariously re-inserts into the anus without prior warning.
NOT to be confused with the equally amusing Cadbury Surprise.
NOT to be confused with the equally amusing Cadbury Surprise.
Betty: ... but then, as I... as I was about to... come, for some reason he pulled out... and then... *breaks down sobbing* he.. he put it... oh god! *sobs uncontrolably*
Psychiatrist 1: He gave you a BACKDOOR SURPRISE!? What a guy!!!
*hi-fives Psychiatrist 2*
Psychiatrist 2: Man, that is awesome!
Psychiatrist 1: He gave you a BACKDOOR SURPRISE!? What a guy!!!
*hi-fives Psychiatrist 2*
Psychiatrist 2: Man, that is awesome!
by Terry Deary July 21, 2008

It's the name of a dish served in movie theatres by tearing a hole in the bottom of a popcorn bucket, inserting your penis, and then offering some popcorn to your date sitting next to you.
Be warned, side effects include a dried up, salty cock, but if you play your cards right, lips will remedy this.
Be warned, side effects include a dried up, salty cock, but if you play your cards right, lips will remedy this.
by Jon, Kev and Sean September 16, 2008

The act of drawing a smiley face on your penis and poking it through your letter box, just as the postman is about to deliver your mail.
by SeductiveUnveal March 22, 2011

by Bill & Aimee March 18, 2008

a brightly colored and unexpected artwork similar to what children in grade school experience when they color a piece of paper, then color over it with solid black crayon. When the black crayon is scraped off, there is a colorful surprise.
I like my women to have tats on their cleavage. That way, you get a colorful surprise when you squeegee-off the Cleveland Steamer.
by EMaceator April 22, 2010
