Top definition
an unbelievably stupid person
Did you see that nineball? He thought he could hit on that big dude's girlfriend!
by Mr White January 25, 2005
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug
2
Albert is a total nine-ball.
by Captain Awesome October 27, 2003
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug