| inf. |
used when you are arguing with someone, to show that you do not accept or agree with what they say (You're the best? Says who?  cambridge.org); who says so, on whose authority? (Usage notes: Usually used in a confrontational manner, to show doubt in veracity or authority of the person to whom the statement is directed; often followed by a question mark wiktionary.org); who claims the truth of this statement, which I don't believe? (That horse of your will never win a race. — Says who? dictionary.com); on whose authority, according to whom? (Used to express disagreement with or defiance against something that someone has just said: "There's no way a pipsqueak like you can win this race!" "Oh yeah? Says who?" • "You can't take those files to the police!" "Oh, really? Says who—you?" thefreedictionary.com) |
