The medical condition that results from using a redneck air conditioner for too long.
An impatience to arrive at the destination
A temporary hatred for the car's owner
Generally, this condition comes around when riding in a friend's car, and they have assorted junk, change, and trinkets stuffed in all the cupholders except their own.
This condition is known to affect men more than women.
"Jerry for the love of all that is right in this world, clear out your cupholders! This milkshake is giving me frosty crotch!"