de malas

in a bad mood

→ de
phrase Common #4,683
in a bad mood Often used in the phrase poner de malas, meaning to upset someone or make them grumpy.
SP: No me hables ahora; estoy de malas.
EN: Don’t talk to me now; I’m in a bad mood.

Russell está de malas.

Russell is in a bad mood.

— Casi famosos (2000)

Yo no he dicho nada de malos estudiantes, sólo de malas notas.

I haven't said anything about bad students, only about bad grades.

— La ola (2008)

Eso me pone de malas.

That puts me in a bad mood.