Where, when a girl is wearing a thong, the thong gets pulled up so it is wedged in between her butt cheeks. This is also known as a wedgie. It can be very painful.
When a guy (or lesbian) sees a thong hangin from the ass of a prime female and does not hesitate to pull it... hard. May leave unsuspecting female bleeding, but who really gives a shit. Ur friends will think you are awesome. Word coined by hogan mcdade.
Combination of thong and wedgie. A thedgie occurs when the back part of your thong rides up and hurts so bad that you feel as if your ass is about to be torn in two.
A very uncomfortablevagina wedgie (formally known as a twat wedgie, hence "twedgie") when a woman's underwear rides up the lips of her vagina and creates a vivid display for all the public to see and laugh at. Men with vaginas can get them too.