Wiktionary
nine ball
n. (alternative spelling of nine-ball English)
Usage examples of "nine ball".
There was a clatter as four oily-looking characters shot nine ball.
There was a pool table on the side crowded with men playing nine ball at a dollar a ball and filling the room with blue tobacco smoke.
Even if this thing of yours is playing nine ball with memories, it probably knows bugger all about police and procedure.
Shadowbyte darted out of rang and Black Flame became a five-foot nine ball of fire, the best protection for him against a sudden explosion.