A word that when used out of coding, means you have nothing to say and probably won't say it.
Person 1: Can you shut up for once?
Person 2: <empty>
Person 1: I said SHUT UP!
Person 2: <empty>
Person 2: *glares*
Person 1: Oh.
Person 2: Mabye next time you should rea--
Person 1:SHUT. UP.