a sacred word, an oath used only to show upmost sincerity. abuse of this word is unholy. if a new york nigga says deadass, you know he’s not capping, he’s telling the truth.
Girlfriend: Are you cheating on me? Boyfriend: No. Girlfriend: No capping, are you being deadass? Boyfriend: Deadass. Girlfriend: Aii.
By Timberlord
A term to stress a person's honesty. It is a complete bulletproof, irrefutable defence when being accused of lying.
Lawyer: your honor, my client is not guilty, nor is he lying, as he claimed he was "deadass fr fr on jah no cap"
By Samueliscool223
dead serious; no joke
Ethan, deadass, did you kill Dave? Uh yeah no, I-I uh.. I did not kill Dave. Deadass? Deadass, dude.
By don't tell amy
1)When trying to confirm something. Usually hard to believe. 2)An insult to someone, usually when they say something outrageous and plain stupid.
1) "Lowkey Sally just asked me who my weed dealer is." Josh said. "Deadass for real?" Jordan replied 2) "Puke Green is my favorite shade of green" Cohen said. "Deadass." Ryan said back to him
By OmaeWaMouShindeiru1
When the muscles contained within your gluttus maximus have been starved of blood for a prolonged amount of time, and as a result, have died off, thus the name of dead (the state of being dead) + ass (a slang term for your posterior region)
Yo B I Ah finna go to de hospital cuz Ah godda DEADASS You B you be bustin mah chops? Nah B ahmma D͔̈́̉ͪͤ͗͊̈ ̮͙̬̟̭̉͆̐ͪͥͅE̓ͩ̔ͥͅ ̳̱̻̣͂Ȁ̘͕̲͊̒ ͇͉͚ͦD̞̜̬͖̣ͦͨ̊̊͐̀ ̰̲̥̹̘͈͚͖͎̑̇̿̈̈ͥͨ̔͌Ä͕͉̬́̽̂ͅ ͙̞ͯͤͬͦ̋S͓͚͕̫̼͎̿̀̾ ̱̙̼̲ͫͪ͑ͤS͈̯̻̝̪̺̲̒ͦ̃͐ͧ̊̓͗̑ rahght now
By /bɛʔ/