isthatso "For real?" Skeptical remark "Oh really?" "Says who?" ''No kidding!'' You dont say! Wryly incredulous query Skeptic's query Response to a remarkable remark "Oh really now?" 'Oh, really?' "No kidding!" "Really?" "Oh, yeah?" “You don’t say!” "Really?!" "Oh, really?" "Who'd a thunk it?!" Response to a surprising statement I don't believe host is at party "No kidding?" "Are you serious?"