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1.
Vaginal deodorant to mask the smell of menstration and / or other nasty odours
She must be wearing twinkle twat with that strange aroma of perfume
by rob Hogarth September 04, 2007
 
2.
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 08, 2009