butt floss

English

Noun

butt floss (uncountable)

1. (Canada, US, slang) A pair of thong underpants or a bikini bottom with only a thin strip of cloth that goes between the buttocks.
   • 2004, JoAnn Ross, Out of the Blue, Pocket Books (2004), →ISBN, page 369:

     "A woman doesn't put on butt floss and hooker heels to attend a garden party," Briggs said.

   • 2013, Elana K. Arnold, Burning, Delacorte Press (2013), →ISBN, unnumbered page:

     I saw a flash of her white panties—real panties, not butt floss like Cheyenne wore […]

   • 2013, Joanna Wylde, Reaper's Property, Ellora's Cave (2013), →ISBN, page 83:

     “That butt floss,” he snapped. “Why the fuck are you wearing a thong to work at a daycare? Are you seeing him again?”