ищи дуру!

• НАШЕЛ ДУРАКА <ДУР(ОЧК)У, ДУРАКОВ>!; ИЩИ ДУРАКА <ДУР(ОЧК)У, ДУРАКОВ>!; НЕТ ДУРАКОВ! all highly coll, iron

[Interj; these forms only; more often this WO]

=====

⇒ used to express disagreement, one's refusal to do or believe sth.:

- I am not as stupid as you <they etc> think;

- what kind of fool do you <they etc> take me for <think I am>?;

- I'mnot such a fool (as to do (believe etc) that!);

- find yourself <let them etc find themselves> another patsy (sucker, fall guy, dupe);

- Cf. tell it to the marines!

     ♦ [Себейкин:] Я за своё отвечаю, а за всех отвечать дураков нету! (Рощин 2). [S.:] I answer for my own work, but to answer for everybody? I'm not such a fool! (2a).