1. When someone sticks their thumb up their own ass or someone else's ass.
2. To sit on one's thumb
I walked into my apartment the other day and caught my roommates performing dirtroad hitchhikers on eachother.
by T. Danza October 15, 2010
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To have anal sex.

Similar to "up the dirttrack", used mainly by Londoner and Scots.
You are very nice but I am not going to go up the dirtroad, honey.
by BartP January 14, 2008
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When you happen onto a dirt road in Rutledge, GA, and you happen to be menstruating but wanting to have sex. To turn on your partner, you take your tampon out in front of him, lick it seductively, and then throw it over a bridge. Usually after this happens, you'll notice if your partner is completely grossed out or totally horny from your little show. If he happens to be horny, you jump on his dick and give him the best fuck of his life. If grossed out, then obviously your partner is lame, and you are just shit out of luck. Sorry.

Keep It Classy.
After we Rutledge Dirtroaded, his dick was so bloody, and he loved it.
by missclassyyy123 August 16, 2010
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