Use "billiard ball" in a sentence

1. His bald head was as smooth and round as a billiard - ball.

2. Billiards, billiards, billiards lover, billiards player, Billiardist, snooker player, billiard ball, billiards cue, cue ball, pocket billiards, billiards bar, it worked in my head, billiards pyramid, billiards angle shot, billiards physics