Definitions by M-Cakes

t square 

The fabric triangle on the back of a thong, connecting the waist bands to the ass band. Usually seen when a female wearing a thong bends over and the thong peeps out from her low rise jeans.

Check out Tina's t square, looks like she wearing her pink bedazzled panties again.

t square by M-Cakes July 20, 2008