A bitchy woman usually in her teens or 20s, keeps up with the latest trends and thinks she is the shit. Appears as a wannabe diva and likes all superficial things that sparkle and glitter, hence twinkle twat.
I ran into Charlene yesterday at the mall and said hi but she completely ignored me. Man, what a twinkle twat.
by Widdle Munchkin July 8, 2009

1. To describe two consenting women involved in the bumping of uglies. 2. Agressive vagina on vagina sex (twat knocking). 3. Slapping or smacking the vagina (twat knock).
"Damn... Those twat knockers look pretty bruised up."
"My tongue needs a rest. How about a twat knock?"
"My tongue needs a rest. How about a twat knock?"
by yukoncornelius April 9, 2003

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