- (literally, billiards) The eighth numbered ball.
- The 8 ball was buried behind the 10 and the 15.
- A cocktail made with vodka and V8 vegetable juice.
- (slang) An eighth of an ounce, especially as a drug quantity.
- (slang) 3.5 grams of cocaine.
- (slang) A 40 ounce bottle of malt liquor
- (slang) The alliance of the Folks and Crips (two gangs).