Female reproductive system, the vagina. First introduced in Role Models (2008)
Augie: "Whispering eye! And her whispering eye!"
Danny: "Give me a call back and we can see each other and uh, your whispering eye. Whispering eye?"
Augie: "It means vagina -giggles- it means vagina!"
Danny: "Classy move.. Get your whispering eye in the cab Augie"
Augie: "It means vagina!"