b.a.d.s
An acronym for Big Ass Draws. A form of ladies underwear, large in size, typically worn during a woman's menstrual cycle or during times where a string up her ass is not comforting.
Girl #1: I can't wear yoga pants today.

Girl #2: Why?
Girl #1: Aunt Flow came last night, so I gotta wear my b.a.d.s.