Also found in: Acronyms.
An initialism for "over my dead body," meaning "I will never allow it" or "Under no circumstances will that be permitted to happen." Used solely in informal written communication. A: "Just wait there, I'll drive over." B: "OMDB—you've been drinking! I'll come over to you." A: "I heard Sarah wants to drop out of school to be a painter." B: "Yeah, OMDB!"
Over my dead body!
Inf. Fig. a defiant phrase indicating the strength of one's opposition to something. (A joking response is "That can be arranged.") Sally: Alice says she'll join the circus no matter what anybody says. Father: over my dead body! Sally: Now, now. You know how she is. Bill: I think I'll rent out our spare bedroom. Sue: over my dead body! Bill (smiling): That can be arranged.
Over my dead body!and OMDB
exclam. & comp. abb. [You won’t do it] if I can stop you from doing it! You’ll do it OMDB.