The action of taking a crap under someone's car tire and running away, hoping that they will run over it the next day.
"Dude, Liah & I did a Drop-a-load & Hit-the-road last night to our other neighbor's car!"

"Wow, did you get caught?"

"No, it was in the dark."
by Hmbsm21 May 14, 2009
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Verb: The action of secreting your shit under one's vehicle tire in hope that they will eventually drive over it while you run away.
"Holy shit man, you're friggen relentless!"

"I know man, I just had to drop a load and hit the road."
by tylerscott May 14, 2009
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