This is what a teacher wears as underwear, also known as a thong. This would be used when a teacher bends over and the thong can be seen from the back.
Bob: Dawg, ya see that thong ov'a there?
Bill: Na man it aint called a thong, you talkn boutMrs.Andelora's t-floss.
by stabbyripstabstab November 17, 2007
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