- genuinely, sincerely, or truly; in fact: I'm deadass about to quote that speech to you.This deadass made me laugh in the grocery store.
- very or extremely:I thought this was going to be a one-time thing, but I was deadass wrong.I'm deadass scared of clowns.
- sincere or serious: There's no school today, I'm deadass.
- (used to request confirmation of truth or to express surprise): “The new album's dropping tomorrow.” “Deadass?”