Put on your birthday suit, wrap yourself in a blanket like a burrito, wait for your significant other, friends, or family (if you dare) to see you, and then quickly unwrap your butt-ass-naked-self in front of them, yelling, “Surprise!” You’re naked when you do this - in case you missed it.
Girl 1: Omg, when I got home, my boyfriend gave me a Birthday Burrito Surprise.
Girl 2: What the heck is that?
Girl 1: He was wrapped in a blanket, like a burrito, and then surprised me when he popped out naked!
by Joooshy January 18, 2023
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A very daring sex move; occurs when a male receives oral sex and fails to notify his partner of his impending orgasm, during the course of his shenanigans, the male discretely pulls out a happy birthday hat, confetti, and noisemaker. At climax the male then proceeds to blow into the noisemaker, aim his load on his partner's face, yell surprise and throw the confetti in the air. You get extra points if you get the confetti to stay on your partner's face with your splooge glue.
The other day while Joe and I were ramming I got a Surprise Birthday Party !
by B.Malones February 10, 2008
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The act of shoving your fist into a late pregnant lady and pulling the fetus out.
I really wanted Jim to be born on 4/20, so I gave him a surprise birthday.
by DMTisGreat October 21, 2019
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The act getting everyone at a party to cum inside of a ballon,
"Everyone come over here and cum into this balloon for the birthday boy" said jim.
"I love when someone does a birthday balloon surprise over my head"

"Pop"went the balloon.

"Oh wow thanks love you guys" yelled the birthday boy
by Fist me dad but pleazd dont cu December 11, 2016
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If you pull your dick out at your birthday party preferably a chode it's a birthday surprise
Yo Zane whiped his birthday surprise out at his birthday party.
by Chodeboi69 September 19, 2018
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