* Refers to a game played between friends where points are earned for succefully having sexual intercourse with extremely obese women without being caught by one's friends. If a participant is caught during this horrific act points are taken away and added to the finders point total. These women only qualify if their obesity is comperable to the fat women featured in Spencer's gag cards.

* The Chamillionaire song "Ridin'" was created to commemorate a specific instance where the artist won this game by sexually pleasuring a morbidly rotund transvestite. This event led to additional (bonus) points for Chamillionare which gave him a solid lead and eventuallty a win in a game between him and his friends.
My friends caught me riding dirty. Now I need too sleep with six fat bitches in order to win.
by John Ben August 22, 2006
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Riding a bike, roller coaster, or anything else with someone else between your legs or you between theirs
Wanna ride dirty to class?

I didn't want to wait for the next bobsled on Matterhorn so I rode dirty with michelle
by ucbusc July 13, 2010
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A term used by the telecommunications industry to describe a transport circuit which is experiencing any combination of the following problems, line code violations, path code violations, errored seconds, severely errored seconds, unavailable seconds, ect.
That circuit's riding dirty, I can't even stream my p0rn!
by mememememmeme December 7, 2006
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That dude must be going at least 100m.p.h. and he's even riding dirty.
by D-man FL October 7, 2008
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Guy #1: Hi, my name is Andruw Jones, nice to meet you.
Girl #1: Hi I am Beyonce, it is nice to meet you.

hours later.....

Guy #1: I hit it from the back side.
Guy #2: Did you have a rubber?
Guy #1: Nah, I was riding dirty.
by Jason Caplan July 30, 2006
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Hey, when are you going to pull your underwear out of your ass?

Yea, they have been riding dirty for a while.
by Trolissa January 19, 2010
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Driving a car that is unclean, has a messed up paint job, has dents, doesn't have nice rims, or is just a hooptie. Riding dirty is the opposite of riding clean.
His '82 Cut Supreme was primer gray and half of the fender scraped the ground. He was riding dirty.
by Athena Pappas October 23, 2006
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