When you have sex with another man's wife and then fart on his blanket in front of him.
To add insult to injury, he he looked him in the eye while giving him the stinky woobie and laughed.
n. A variance of a bra that is comprised solely of thin straps that surround, but do not cover the breasts (or tits).
While I didn't see a practical application for it, the TIT THONG is incredibly sexy when worn.