1 definition by Jabberwocky1111

Top Definition
When a physically endowed woman is showcasing her blessed mammory glands with revealing cleavage at a social establishment. BAT is an acronym for big ass titties, but also means that when a chick flashes her badass chichis, Bruce Wayne himself would pay admission.
Damn, son, you saw Dulce tonight? Shes flashing the motherfucking bat signal son! Mm mmm....
by Jabberwocky1111 March 23, 2009

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