eight-ball

Noun

 * 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)  The billiard ball, almost always black, bearing the number eight.
 * 3)  A portion of cocaine or methamphetamine weighing $1/8$ of an ounce, or 3.5 grams.
 * 4) * 2003, House of Sand and Fog, 00:43:39:
 * (a policeman confiding to a friend) ".. She had welts and bruises all over. So, one night we get called out there again, and I slip down their hallway and stuff two eight balls in his closet. Turns out he was on parole. He goes back to jail, she's safe, and I slept like a baby."
 * 1)  A black person.
 * 2)  A spherical attitude indicator.
 * 1)  A spherical attitude indicator.

Verb

 * 1)  To outplay (an opponent) by potting all one's color balls and then the black (or eight-ball) without the opponent potting a single one.