uña y carne

== Spanish == === Etymology === Literally, “to be (like) nail and skin”. === Verb === ser uña y carne (first-person singular present soy uña y carne, first-person singular preterite fui uña y carne, past participle sido uña y carne) (idiomatic) to be inseparable === Further reading === “ser uña y carne dos o más personas”, 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