The batsignal is an alert put forth by Magic Online users to alert other users of scammers in the classifieds section. It is generally put up by a disgruntled member in spite after they have been scammed. It is also the signal used in the popular Batman movies to receive Batman's attention.
You're the scourge of the earth and you don't deserve to live" "Cheers for the tix brah, don't put up the bat signal!
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....