bust a sag v. phr.— «“Bustin’ a sag” is what some kids call it when they let their oversized pants hang below the waistline to expose their underwear, and city leaders want to know whether they can outlaw that.» —“Council...
tramp stamp n. 1. a tattoo on a woman, especially on the back at or below the waistline. 2. a hickey (on a man). (source: Double-Tongued Dictionary)