1 definition by Timberlord
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.
Boyfriend: No.
Girlfriend: No capping, are you being deadass?
Boyfriend: Deadass.
Girlfriend: Aii.
by Timberlord August 23, 2018