de cojones

really; extremely

→ de
phrase Rare #44,091
really; extremely A vulgar, informal intensifier, especially common in Spain. It usually comes after an adjective or adverb and can emphasize either positive or negative qualities.
SP: Este examen es difícil de cojones.
EN: This exam is incredibly difficult.

Increíble de cojones.

Absolutely incredible.

— El club de la lucha (1999)

Un tipo listo de cojones.

One hell of a smart guy.

— Zeta (2026)

Y eso me pone nervioso de cojones.

And that makes me nervous as hell.

— Zeta (2026)

Los vecinos dicen que es rara de cojones.

The neighbors say she's freaking weird.

— [REC] (2007)