Top definition
n. Deceased porcupine that met it's demise at the hands of a vehicle. Typically spotted as an almost unrecognizable pile of quills followed by a large grease spot. Very common in rural areas of the country.
Passenger: *THUMP!* What was that!?!?

Driver: Hehehe...road quill
by hunter49686 May 19, 2010
Get the mug
Get a Road quill mug for your dog Julia.