Car Ball

The game to play when you hint to someone to go play in traffic.
Lesser know as "tractor-trailer ball" or
GMM: "Guess the Make and Model".

N.B.: The person invited to play Car Ball is the ball.

You: Go play in traffic
Him/Her: I need a friend to play carball

Blue Ball Car

When you hear a nice sounding car and it turns out it is not a good looking car.

*loud car vrooming*
"Oooooh that sounded nice"
*sees piece of junk car*
"Oh, it was just a blue ball car"

Car balls

When a man is getting into his car and his nut sack shifts while sitting thereby getting squashed under a thigh & the car seat.

Dude, my boxers were so lose that I got the worse case of car balls yesterday.

car balls

Noun: the condition of your balls after a long car ride, while not letting your balls breathe. This can result in a stale, sweaty pair of nuts.

I just drove non-stop for 6 hours. I need a shower to get rid of these car balls.