chiflado
/t͡ʃiˈflado/ · B1 · adj
nuts, nutty, crazy, wacky, loony, screwy, batty, daft, cuckoo, barmy, dotty
🥜 From chiflar, to whistle: someone whose head has started whistling
Spanish chiflar means to whistle or hiss, from Latin sifilare. Chiflado literally means whistled, like a kettle that has boiled over. It works for a person (a nutcase) and for a quality (nutty, crazy).