Scratch
The term "scratch" is often heard around a game of pocket billiards (or pool) to represent a foul in which:
1. The cue ball is pocketed
2. The cue ball is popped off-table
3. The cue ball (or object ball) fails to touch a rail after contacting another ball
1. The cue ball is pocketed
2. The cue ball is popped off-table
3. The cue ball (or object ball) fails to touch a rail after contacting another ball