When two men chew on each other's private parts while one uses a pair of salad tongs on the other's ball sack, using a twisting/turning/pulling/pushing motion.
Jeffrey always wants to carpool with Ted. Ted doesn't really understand, but he's usually willing to try anything.
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Carpool King (or simply CPK) is a term used for a person who is very sensitive to the environment and would like to carpool versus driving individual vehicles to the same destination. CPKs enjoy the company of others in the vehicle as it promotes great conversations and makes for a very enjoyable ride versus driving in your vehicle alone. And thus, CPKs are very well respected for both their concern for the environment and the conducive ability to facilitate conversations and to make the car ride more enjoyable. Every large group greater than 3 should have a CPK.
Mark : Yo Whadduppp! I'm jonesing for some Pho - let's hit up Pho Shizzle, aite? You feeling me bro?

Tim : No Mark, I don't feel you and I'm not your bro. Maybe we should carpool? Parking is kinda tight at Pho Shizzle and we should help reduce emissions.

Mark: Tim, that's so gangsta of you to consider the environment. You're so Carpool King man!
by Onscreen Goddess April 15, 2010
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The act of making sweet love in the shower while a third party is evacuating their bowels within the confines of the same lavatory.
Kyle: "Brett, did you just take a shit in the first floor bathroom?"

Brett: "Yeah, what about it?"

Kyle: "What the fuck, man! Weren't John and Nikki having sex in the shower in there?"

Brett: "Yeah, man. I love a good Tijuana carpool!"
by Redness15 December 18, 2016
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Performing a threesome in a canoe, preferably while wearing Canadian tuxedos.
That was a great Canadian Carpool we had yesterday. Let's get some Tim Horton's.
by Gabemoto April 14, 2014
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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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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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Giving a ride to someone in exchange for a blow job. Supposedly common practice at some Texas High Schools
Dude, I've been running a Plano Carpool all week.

If you miss the bus, just take a Plano carpool.
by LadiesMan217 July 5, 2007
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