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7.
A term used by white "urban" youth on the East coast to denote the seriousness of one's opinion. Often in relation to fist-pumps, gelled hair, and/or spray-on tans.
I walked up to the babe, deadass, and asked her why she wasn't down with my sequined shirt....
by East Coast Don June 24, 2010
80 194
 
1.
To be completely and honestly serious.
A reply used by people who have been questioned on the truth of their comment.
To be truthful and not lie.
A truncation of the phrase "dead ass serious".
Guy 1: Yo, swear I saw George (W.) Bush jump that fence for a corndog...

Guy 2: What? nah uh, you're lying..

Guy 1: No, for real! I'm dead ass.
by Tai June 30, 2003
864 116
 
2.
equivalent to saying: for real; im serious; telling the truth.
peep 1: you robbed his bike? ...naahhh..
peep 2:im dead ass.
by chimpy August 28, 2004
722 126
 
3.
Seriously...no kidding
I got an A on my exam... Dead Ass....
by Ray FS July 10, 2008
252 99
 
4.
Meaning to be serious about a subject previously spoken of in a conversation
That dude was packin' heat last night, I'm dead-ass, man.
by The W.O.D October 07, 2006
57 20
 
5.
formerly dead-s meaning dead serious. the ghetto form of dead serious is dead-s, which is not used anymore. less stress is used wen saying the word dead-ass so it has replaced dead-s.
p1: yo, homie, im gettin ass from jennifer tonite!
p2: u dead-ass?
p1: YEA!
by antawn January 24, 2007
34 23
 
6.
Extremely dead. At the complete end of life.
Yo that is a Dead- ass rabbit in the middle of the road
by Poopkid23 May 26, 2010
15 25