An adverb that typically modifies an adjective. Often used as a replacement for "very," "so," or "extremely" and is assumed to have a stronger positive or negative connotation.
"You got an F in PE? Are you serious?"
"Yeah man I'm dead serious"

"Hey that girl over there is dead hot"

"My dad was dead pissed when I took his car out for a drive"

"That Calculus test was easy"
"Are you kidding? That test was dead hard"
by Adrian D. March 23, 2009
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to not respond to a text or a message for a certain period of time; usually due to a forgotten brb or a gtg while performing another activity
(flowing conversation)
A: ...how bout you?

---no response from B-

A: WHY ARE YOU DEAD?!?!?!??!?
A: SPAM
A: GRRRRR
B: Oh sorry I forgot to say BRB
by mige February 24, 2012
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1. abandoned
2. rejected
3. finished - see "cashed," "kicked" (as heard in larry clark's "KIDS")
1. i'm so glad we deaded that nigga abraham, kid was takin mad long in the shower!
2. you see cornelius try to kick game at that girl? sorry ass nigga, bitch straight deaded him.
3. you can try to hit this if you want, but i'm pretty sure this L is deaded.
by shaavisto November 23, 2006
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No longer living. Comming to terms with something being over/done.
by ~G May 22, 2006
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1. Not living.
2.A childish phrase meaning 'in serious trouble', ie with a parent/teacher/older bigger person, that will surely result in the child/student/smaller younger person being killed.
1. He hasn't got a pulse, he is dead.

2. Child A: You're dead.
Child B: I'm clearly still living.
Child A: No, your mother saw you push that kid off his bike - you're dead.
by Scandal June 28, 2004
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