Balancing a guinness on the back of a girls head as she fingers your asshole while she cakefarts at the same time. Best performed on the guys back and the trick is to not spill the Guinness.
I was down to one Guinness last night, so we pushed our luck and tried the Dirty Dan.
by Igotallofit December 30, 2009
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A person who despite the situation will always remain in a goofy, ready to bool mood. they are pure comedy gold and will always make you laugh no matter the situation. No matter who you are, they will manage to crack your humor code and make you have the best time. Their comedy is boosted when accompanied by a Huntiewestside, raising their gooney attitude and boolery to the next level, almost on par with Shaggy's godly power.
"Yo, did you meet that kid Luke, he was so funny, I think I pissed myself from laughing so hard."
"Nah, that isn't Luke, thats Dirty Dan."
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oooooooooooooooooof man who has an IQ of a rock
Hey theres dirty Dan lets follow him

oh shit I just slipped on the mud that just fell off his head
by big man Jhon October 10, 2018
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Someone who suspiciously owns a lot of horses and is always wandering off to the stables with a bag that’s full.
Hey Steve, that bloke up the road with all the horses. He’s definitely a dirty Dan.
by SpoopyBootay May 10, 2020
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The act of having sexual intercourse with a woman while she is bent over the toilet vomiting.
Christina was so drunk, that she was throwing up into the toilet. Dan came from behind, saw the excellent opportunity, and immediately commenced in doing the Dirty Dan.
by bobisocks February 15, 2012
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