An insult used to describe someone who has just donesomething particularly stupid. It comes from the markings left behind in a womans underwear following some desrciption of vaginal discharge.
The chunky smelly fishy gagging rot that collects inside the vagina. As it becomes overfilled, it forces its way out, forming matter referred to as twat poop.
That skanky girls twat poop smelled so bad from ten feet away that I wanted to gag.
That women had flies buzzing around her crotch. She must be pooping twat poop.
A sexual position often observed in lesbian porn, in which two women, bare from the waist down, repeatedly slam their crotches together in order to obtain sexual gratification.
Well, they'redone using The Gemini on each other, so the twat boxing scene must be next.