Country Dictionary

When your testicles pop out of excitement

Its Friday nigga ball out

To exude tremendous effort, to try extremely hard.

I decided to slack off and get a B in the class, but Ross went balls out and got a 100%

To do something successfully and effortlessly.

Dude I'm going to ball out on that test bro, shit's so easy I didn't even need to study

To spend a lot of cash, especially at a strip club.

Yo, homes, I got five hundred dollars in ones. Damn, it's time to ball out!

This refers to the governor on a steam engine. Two heavy balls are attached to the engine so that as engine speed increases, the centrifigal force of the flywheel causes the balls to rise. As the balls top out, they govern (limit) the engine, thereby controlling maximum engine speed. "Balls out," then, refers to running the engine at maximum speed.

The engineer was running the train at a "balls out" pace while trying to make up time.

Originally referred to the governor on old steam engines that had two ball that rotated across one another that would control speed depending on how fast they spun. Balls out meant going full speed or power.

That old steam tractor was going balls out.

giving your all in a certain situation, being courageous

You should've seen me out there, I started to choke but then I went totally balls out.