Top definition
A lifted up old 4x4 pick-up truck typically driven by a nirt-nirt, characteristically nirt-nirt trucks are beat-up, rusty, and generally in poor condition but run well because nirt-nirts are always wrenching on them to keep them running through the mud. Nirt-nirts will sometimes sell thier truck to buy a different one with bigger tires. Common descriptions to look for in a listing for a nirt-nirt truck in the classifieds: "Runs Good," "Fast & Fun," and also "Rusty-but-Trusy" See photo.
See photo for nirt-nirt truck.
by charlygordon123456 July 12, 2006
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug