over my dead body

Prepositional phrase

1. (excessive, idiomatic, informal, usually) Under no circumstances; absolutely not.
   • "Can I get a new sports car?" "Over my dead body!"
   • “An’ now I hear you’re sendin’ our flagship Pastores out at four o’clock this afternoon with another cock-eyed cross between a giraffe an’ a Gila monster— / “By my soul, never!” yells th’ G.P.A., jumpin’ up like a bumb has gone off under him. “If the Pastores sails with that red-skirted gorilless...1923 December, Volney G. Mathison, “The Woman-Handler”, in Radio, volume V, number 12, pages 68 and 70, column 3