2 definition by BellaW

Top Definition

To be completely serious; not joking.

Suzie: You don't have an ass.
Sally: Stop lying.
Suzie: I'm dead serious.

by BellaW January 04, 2009

To be completely serious; not joking.

Suzie: Matthew likes you.
Sarah: Stop joking around, that's not funny.
Suzie: I'm dead serious.

by BellaW December 26, 2008