Moderators: Moderator Team, Admin Team
Brody wrote:You can say, 「とんでもないです」 「とんでもありません」。 とんでもない literally means, "preposterous," "absurd" so it's like saying, "Don't be silly!" in English.
I guess you could drop the です and say とんでもない among friends. Probably be like saying, "No problem!"