- dust
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1. in. to leave; to depart.□ Well, it’s late. I gotta dust.□ They dusted out of there at about midnight.2. tv. to defeat someone; to win out over someone.□ We dusted the other team, eighty-seven to ifty-four.□ In the second game, they dusted us.3. tv. to kill someone. (Underworld.)□ The gang set out to dust the witnesses, but only got one of them.□ Max knew that Sam was out to dust him.4. n. fine tobacco for rolling cigarettes. (Prisons.)□ How about a little dust for this candy bar?□ I don’t want dust. I need chocolate.5. n. a powdered drug: heroin, phencyclidine (PCP), cocaine; fine can-nabis. (Drugs.)□ It’s the dust that can really do you damage.□ Wally got hold of some kind of dust and took it to the police.6. tv. to add a powdered drug to the end of a (tobacco or cannabis) cigarette. (Drugs.)□ Pete dusted one, then lit it up.□ Frank never dusts them before he sells them.7. n. worthless matter.□ You keep acting like that and you’ll be dust.□ John said that Frank was going to be dust if Mr. Big ever heard about what happened.
Dictionary of American slang and colloquial expressions. 2015.