U.S. slang. A quantity of a drug (esp. morphine, heroin, or cocaine) approximately equal to an ounce in weight; (gen.) a dose of a drug.

U.S. slang. In various senses with reference to the taking of drugs (see quots.).

A cache of an (illegal) drug; a quantity (of a drug); the drug itself. (See also quot. 1942.)

slang. The number three, in various connections; a set of three; a threepenny piece; spec. in the U.S., a three-dollar packet of a narcotic.

A measure of an illegal drug; hence, the drug. Also without article. slang.

North American slang. An eighth of an ounce of an illegal drug.