ball up

verb
RareNot in standard dictionaries
1

To crush or form into a ball shape.

2

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

3

To coil up into a ball.

4

To become ball-shaped.

5

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

6

To ruin or botch.

7

To smoke marijuana.

8

To play basketball, especially playing well.

9

To switch to using a stronger bowling ball.

10

To become covered in damp snow.

#dated#slang