What does “carnal” mean in Mexican Spanish?

In Mexican Spanish, carnal is how you tell a man he is family to you — even if he isn’t. It comes from Latin carnalis, “of the flesh,” so calling someone your carnal is saying you share blood. In practice it functions exactly like “bro” or “mate”: casual, warm, and reserved for the men closest to you. The warmth of the word is what makes it so effective at defusing tension.

In the clip, a son is furious that his mother — not he — will walk the bride down the aisle. A male relative steps in with a calm “Tranquilo, carnal. Tranquilo.” The word choice matters: it invokes brotherhood at the precise moment it is needed to pull a man back from the edge. Note that carnal is male-to-male address; women are not typically called carnal. The plural, carnales, is also common — ¿Qué pasa, carnales? — and the form carna occasionally appears in some regions for a close female friend, though far less widespread.