When you take a dump inside of a urinal, named after the erstwhile Miami Dolphins Quarterback.
"Yeah man, every single stall was full and I was rushing to my meeting so I just had to drop the trousers and pull a Dan Marino."
by thewarrior1986 June 4, 2015
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As you are pooping, before the poop leaves your butthole you grab your penis and use it as a firehose and cut the poop in half #ri #mg #scripps
I did the Dan Marino Challenge the last time I took a dump, it was insane
by R Dolla Sign January 7, 2018
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