bumfloss

A G-string. A piece of underwear that has a thin strip of fabric that hides in the crack between the buttock cheeks, rather than covering that crack like normal underwear. Named for the similarity with dental floss, that cleans the cracks between teeth.

"Look, She's wearing bumfloss. No wonder she's walking oddly"

by ClayPipe July 16, 2008

bum floss

n. {Slang} - see butt floss, g string

"your bum floss is showing, pull up your pants."

by S_t_G October 14, 2004

Barbara Bum Floss

when a hair gets stuck in your crack & you pull it out slowly.

I keep losing my hair but at least I've got some enjoyable barbara bum floss.

by Linda Flair August 14, 2010

butfloss

Thong or a g-string. An undergarment designed to be minimized via a crackstrap and usually reveals itself @ the top of ones but crack to be joined in the front of the garment usually wedge shaped pubic cover

She is advertizing her butfloss

by anon-e-mouse December 15, 2004