oler a cuerno quemado

oler a cuerno quemado (first-person singular present olo a cuerno quemado, first-person singular preterite olí a cuerno quemado, past participle olido a cuerno quemado)

1. (idiomatic) to smell fishy

• “oler a cuerno quemado”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.7, Royal Spanish Academy [Spanish: Real Academia Española], 2023 November 28