a term that was made up by Hooman on the show Weeds season 6 episode 11 used to describe something that happened on the dance floor by 3 girls as a result of the "leg spreader" the term given to the alcoholic energy drink with hash that Andy makes and Nancy sells.
3 chicks just did a dirty carpool...right in the middle of the dance floor!!
by Binxter November 4, 2010
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The act whereby a male sexually pleases as many women as he can using all extremities. This occurs with the male lying down and preforming cunnilingus on a first girl while engaging in vaginal intercourse with another all the while fingering two different girls with each hand on either side of him.
4 girls, one guy, how can it be done?...with a dirty carpool, what else?
by prince of prosciut' November 16, 2010
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When two girls with short skirts and no underwear are giving each other a piggy back ride. Usually performed on a dance floor.
Did you see those two girls doing a Dirty Carpool on the dance floor?
by Dirty White Panda November 3, 2010
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While on the dance floor three or more people line up and run a sex train, can be vaginal, anal and/or oral.
DUDE! Three chicks just did a dirty carpool right in the middle of the dance floor!
by J and J Weiners November 3, 2010
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