n. A form of female underwear so narrow as to effectively remove deposits from within surrounding crevices. Similar to dental floss as used in the act of orthodontic hygiene.
Let me axe you a keschun My nigga. Is dat hoe packin' butt floss or she be Going Commando?
by D'emon November 20, 2002
a.k.a. g-string
Gina is wearing butt floss today!
by Mike February 17, 2004
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
aka a g string. or a thong that either a man or woman wears. refferd to as becasue of thin flossy like thing.
She must have some serious butt floss. You cant see any panty lines.
by Manasa May 11, 2006
also called a thong or type of string stuck between your buttcheeks to impress people with your "buns."
wife: Oh honey, check out my new Butt floss i just got at victorias secret!
husband: wow it really highlights your tight buns.
by Carabella May January 27, 2009
Generic term for thong underwear.
Damn all the girls in this club have their butt floss riding high out of their skirts.
by mrlucretius April 01, 2012
A thong on anything for anything.
"DAMN! Lookit that buttfloss"
by N4rF February 09, 2003

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