Top Definition
The visible portion of a female's traditional-back thong underwear that sticks out above a pair of low-cut jeans while the subject is sitting down (or on normal pants/shorts while the subject is bending over or at the gym). Not to be confused with string or "t-back" thongs (see "butt floss").
Dick: "You can see half that chick's ass over there!"

Harry: "I am saluting her triangle flag right now!"
by etafatdik June 19, 2008

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×