To punch someone so hard in the face,or K.O their ass 2 times it makes them feel like they pass out twice.
“Bro.. did that dude just get double decked!!”
“Yeah bruh his shit got cranked!”
by BigBoiIBTC March 31, 2020
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The act of releasing a bowel movement on top of another bowel movement.

Double Decker
Bismark
It was no surprise that Steve was double decking in the public bathroom.
by Frank the Tank 2 August 6, 2011
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Taking a dump into the toilet tank so when a person flushes the toilet they are astonished to see a turd come down.
Marlene was shocked at the Omega Mu House party when she flushed the toilet and a big nasty frat boy turd came down and she realized that she had been the victim of double decking.

(WARNING: Do not try this. You could easy break a toilet. )
by Zoro the Ass Bandit April 2, 2013
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Two people farting within a small space of each other
Damn bro I could barely breathe in the car when Dan and Samantha were double decking last night
by Lilbodega March 5, 2018
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Man, did you see that guy get hit with a corn shell taco that's also wrapped with beans in a flour tortilla!!! That fool got his ass Double Decked!!!
by SwirlyJoe January 22, 2010
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