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3. DIRTBIKING
DIRTBIKING, to oversteer and slip from the wet stuff, down the dirt track, be sure to put on a helmet, the terrain is rough and tough.
man i went dirtbikin last night, dam that track was tight.
solihull girls love dirtbiking
1. dirtbiking
The placement of one's face, specifically the mouth, into the area between a person's buttocks, followed by a rapid shaking of the face in a side-to-side motion, accompanied with an extreme exhale, resulting in the sound of a two wheeled motorized vehicle. See Motorboating.
So it turns out, Shit Faced and Dirtbiking are the same thing. Heeheehee

Is that shit on your lips or are you just happy to see me?

I've been dirtbiking so long, even Cookie Monster won't eat my chocolate chips.
2. dirtbiking
The act of shitting oneself whilst wearing tight biker leathers or racing suit.
'I almost crashed my road-bike yesterday, and ended up dirtbiking'.
4. dirtbiking
A secret code-word for homo activities between childhood buddies.
"Remember when we used to go dirtbiking together all the time?"
" That was fun. We should go dirtbiking again like we did when we were kids."
by Duff and Brad May 29, 2003 add a video
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