When your being eaten out by a guy/girl and your prolapse shoots out when you cum and you hit them in the chin.
Johnny was doing such a good job eating me out I totally sucker punched him. That will teach him for not using lube.
by pot007 February 8, 2015
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When performing oral sex on a man, one punches him in the testicles just before orgasm. The surprise pain replaces any pleasant feelings received from the orgasm, or stops it altogether. Can be used as a punishment or as a sexual act.
If two gay males are involved, and it is being used as a punishment, the term then becomes 'Sucker punch, gay revenge'. However, it is performed in the same way as mentioned above.
So my ex was going down on me and just as I was about to cum, she fully Sucker punched me. It hurt.

So Brett was totally going down on Nick and like totally went all Sucker punch gay revenge on him.
by Cdogg May 7, 2013
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Term used to describe the type of melee a player in the video game Halo 3 performs when pressing the B button on the Xbox 360 console while holding a bomb in assault.
*Player 1 melees an opposing player 2 and kills him/her.*
Player 2 (after respawning): Dude you guys, watch out for that bomb guy. He just sucker punched me!
by Justin Corl July 11, 2008
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A sudden punch that is conducted by the loser at the end of a box match.
"What a sucker punch by James Butler!"
by kenpachi_fried_chicken July 30, 2015
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When someone punches another person (unexpectedly), yells "Sucker" and runs away.
"Hey, blah blah blah..."

(sucker punch) BAM!

"Sucker!"

Runs away.
by Fixxx August 9, 2007
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A: Know any good jokes?
B: Yeah. A young man got a new job at a funeral home preparing bodies for burial. On his first day his boss explained that he would just need to watch and learn but he could begin by undressing the body while the boss went in another room to prepare. After a few minutes the young man burst into the room where the boss was and exclaimed, "Boss! That woman has a shrimp stuck in her vagina!". The boss was shocked "No way! I've gotta see this.". So they both went to see the body and the young man pointed "You see...". The boss chuckled to himself. "That's no shrimp. That's a clitoris". The young man, was confused. "A clitoris? Well it sure tasted like shrimp!"
A: Haha gross. I didn't expect that. Good sucker punch line.
by Jibberish Defined August 27, 2018
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A game guys play were they go around punching each other in the penis. Girls can also threaten to do so to a boy.
Girl: If you don't leave me alone i'm going to sucker punch you so hard!

Or

Boy 1: Dude me and Eric are having a sucker punch war and he hits wicked hard!
Boy 2: Oh! Man i wanna join!!

*Boy 2 sucker punches Boy 1 thus being added to the game*
by Ko-hen November 22, 2010
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