enfurruñarse

Colloquial: to sulk or get grumpy, typically over something minor, the way a child does. Reflexive only. Regular -ar verb; the ñ is part of the stem.

• El niño se enfurruñó porque no quería ir. — The boy sulked because he did not want to go.
• No te enfurruñes, hombre. — Don't sulk, come on.
• Se enfurruñó y no dijo nada más. — He got huffy and said nothing more.

Using it for serious anger. It is mild and a little playful; for real fury use enfurecerse.

Often confused with enfurecer.