What is Deader?
1.
To make something deader, you must first kill it, then kill it a second time (and maybe a third time, just to be on the safe side)
I killed Shmouze, and to make sure he didn't come back as a zombie, I made him deader.
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2.
A text message in which the person who receives it can no longer continue the conversation without saying something awkward or out-of-place.
Josh: I was macking on Joy last night.
Ben: Word? How did it go?
Josh: Wack. She sent me a deader.
Ben: That sucks, what a bitch.
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