butt floss

butt floss

slang A thong, a type of underwear or bikini bottom with a strip of fabric that goes between the buttocks (likened to dental floss between two teeth). How do people wear butt floss like that at the beach? It's so embarrassing! I could never wear butt floss—it's too uncomfortable.
See also: butt, floss
Farlex Dictionary of Idioms.

butt floss

verb
See butt thong
See also: butt, floss
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • floss
  • butt thong
  • butt
  • pratfall
  • wedgie
  • wedgies
  • atomic wedgie
  • give (one) a melvin
  • give someone a melvin
  • melvins