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when a girl is giving head and the man squeezes her head with his thighs and blows a hard fart in her face,this causes a thunder-like rumble also giving the girl a face full of fecal mist.
this whore was going down on me when i surprised her with a tasty thunderdunk.
by allen powell January 12, 2006
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Apr 27 Word of the Day
A horoscope so bad that it strikes fear into the heart of the reader, rendering them unable take action or make a decision on anything or to even leave the house. This is caused by a paralyzing fear that those actions or decisions may cause the predictions to come true.
After reading "There is a lot of uncertainty around financial transactions and investments right now, and the wrong decision could result in dire consequences" in his daily Horrorscope, Edward climbed back into bed, pulled the sheets over his head and remained there for the rest of the day.

Edward only had enough gas in his car to get to the gas station but was not sure if he had enough money in his account to pay for gas. His cell phone service had been cut off because his payments were in arrears, and since the only way he could be sure he had enough money (to pay for gas) would be to call the bank, he felt it best to hide in bed and hope his horoscope for tomorrow was more positive.
by Edward Albee Deavers April 28, 2011
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2
1. A game played in men's public restrooms while dropping a deuce.
The rules: Nugget must make a splash which in turn allows you to yell, "THUNDERDUUUUUUUNK!" If audible from outside the restroom you score one point.
If turd audible you earn two points.
Play until fifteen points scored.
A dude runs into the men's and crashes into the stall and lets out a deuce and it is a splasher so he shouts, "THUNDERDUUUUUUUUUUUUUUUUUNK!"

Man 1: "Dude I totally just heard you thunderdunk out here!"
Man 2: "Yeah that thunderdunk just ripped my O ring!"
by Jared Orion, Richard Wayne October 14, 2007
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3
Occurs on a hot summers night as your balls hang low and then, when a friend or enemy falls asleep, or is heavily intoxicated, one drops their pants, swings their thighs in a thrust forward motion then drops down quickly to slap the victims face with the testicles.
That was the craziest Thunderdunk ever, his balls hit that guys face so hard I thought I heard a sonic boom!
by Zach Lane May 30, 2008
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