eightball

noun

1. 1.A pocket billiards (pool) game played with sixteen balls (a cue ball and fifteen object balls) on a pool table with six pockets.
2. 2.The billards ball, almost always black, bearing the number eight.
3. 3.A portion of cocaine or methamphetamine weighing 1/8 of an ounce, or 3.5 grams.
4. 4.A black person.