What is the meaning of Ball_up?

To crush or form into a ball shape.

To form melted metals into balls or lumps to roll them out of a furnace for further use.

To coil up into a ball.

To become ball-shaped.

To hunch over and pull in one's arms and legs.

To ruin or botch.

To smoke marijuana.

To play basketball, especially playing well.

To switch to using a stronger bowling ball.

To become covered in damp snow.

To produce a lip of debris around the drill hole.

To become confused or discombobulated; to confuse (someone).

Source: wiktionary.org