A condom specifically saved or used for anal sex.
A man is having sex with a girl and she asks him to put it in her ass. His response "i'm sorry i don't have my mud tires with me." You cant go playing in the mud with bald tires.
by BDouts November 30, 2008
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A term to describe when your having anal sex with either a man or woman and he/she accidentally/purposefully defecates all over your balls.
Damn man I was fucking this slut in the ass last night and she totally put some mud on the tires!.
by AnalAdventures June 3, 2009
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When a girl wants to lose her virginity.

Also referred to as "getting your tires dirty" or "getting dirt on those tires"
Person 1: Girl, you better get some mud on those tires tonight!
Person 2: I'm trying!!

or

I better get my tires dirty tonight, or I'll be super upset!

Girl 1: Mud on the tires?
Girl 2: YES!! I got my tires really muddy!!
by wildcats12 March 4, 2009
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The act of having vigorous anal sex with a partner that doesn’t exactly have the best hygiene. The lube becomes brown and drips on your shoes.
Dude Jim went fishing in the dark with that skank from the bar and ended up getting some mud on the tires.
by GP1310 February 25, 2022
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