deadass
adverb, adjectiveInformalNortheast
A American English slang term. Browse all American slang.
What it means
Seriously; for real. Both as an intensifier and as a standalone challenge: 'deadass?'
In use
I'm deadass about to quit.
—They cancelled it. —Deadass?
Where it comes from
New York City, strongly associated with the outer boroughs. It travelled nationally through social platforms but still reads as a New York word.