The opposite of "bringing sexy back". Not Aestheticly pleasing at all. Usually identified as a woman over 200 lbs, going bra-less, wearing sweatpants, flipflops, a t-shirt, and having less teeth in her mouth than she has fingers.
Friend 1: Oh my God! What the fuck is that
thing? Is that
Friend 2: I think it's a woman...
Friend 1: It's so fucking nasty!
Friend 2: Nah man, she's just bringing frumpy