Deat is a word derived from "Dead chat". To be used when to describe that there is no one talking in a group chat
Person A: Deat
Person B: Shut the fuck up it's been one minute
Word condensed Into short form consisting of the words dead chat. Used when wanting to say that a group chat has become inactive.
Person A 5:24pm: And that's how I chopped his legs off
Person B 6:57pm: Deat