Buttfloss

Slang for thong in the sense that the thong acts as a type of 'floss' within the crack of the person wearing it.

"this buttfloss feels like I have a constant wedgie"

by Myinah September 17, 2004

Buttfloss

The act of taking a towel or shirt you never want to use again and clean your butt crack. Usually in a dental flossing type motion. Really cleans out the butt.

Dude I have the worst case of swass, I am going to have buttfloss this shit...

by Jade Canyon July 18, 2018

buttfloss

A thong on anything for anything.

"DAMN! Lookit that buttfloss"

by N4rF February 9, 2003