The "modal tool" I think they called it. It was accessed from a asterisk-marked drop-down menu.

T4nk by Kai, empee3 player by freeza and A.S.S. (AOL spamming system) by Mikey were my favorite AOL proggies. I remember hanging out in the private room "vb" a lot, with all the crackers and spammers chatsending their rates