a uña de caballo

== Spanish == === Pronunciation === Syllabification: a u‧ña de ca‧ba‧llo === Adverb === a uña de caballo (idiomatic) riding (a horse) as fast as one can (idiomatic) like a bat out of hell Synonyms: a matacaballo, con viento fresco, cagando hostias, cagando cerillas, cagando leches === Further reading === “a uña de caballo”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8.1, Royal Spanish Academy [Spanish: Real Academia Española], 15 December 2025