Road-Tard 

A severe mental disorder where a driver on the road is oblivious to basic motor vehicle operations and rules of the road. This condition affects teenagers to seniors.

Symptoms: Random braking, new driver sign, new driver sign written so badly that it must have been made by kids in play school, cutting you off, staring straight, unable to execute a turn while staying in his/her lane, driving onto incoming traffic...

Side Effects: Causes other drivers on the road massive road rage as well as giving them the middle finger.

Bob: Oh my god that driver just stopped on the freeway with his signal light on trying to get on the off ramp.

John: Typical move by a Road-Tard!!!!

Road-Tard by Evil McBain September 1, 2010

Roadtard 

n. -one who does not have the mental capacity to properly and safely navigate a public road.

Some one who drives like a retard.

Someone suffering from Roadtardation

During summer, Cape Cod is beset upon by roadtards. Driving becomes an exercise in futility and stress.

Roadtard by The Afterworld Cafe October 25, 2007

Roadtardation

noun -the state or condition of being a roadtard

-the mental inability to to properly and safely navigate public roads.

In many states, roadtardation rates are reaching epidemic proportions.

Roadtardation by The Afterworld Cafe October 25, 2007

Roadtard 

Roadtard is a play on the word "roadguard", which is used to refer to a member of a military flight who stands in the way and blocks oncoming traffic so the flight can have safe passage across a roadway.

A roadtard is a roadguard who performs their duties in a ridiculous and/or mockworthy manner.

"Did you see the getup that roadtard was wearing today?" "Yeah, that's Freddy. Freddy the Roadtard."

Roadtard by Benjamin Jason June 2, 2008