arrugar
Meanings
Verb
1. to crease, to crumple (transitive)
2. to wrinkle (transitive)
3. to chicken out, back down, lose one's nerve (reflexive)
Examples3
Al oír eso, arrugó la frente.
On hearing that, he knitted his brow.
Se iba a tirar con paracaidas pero arrugó a último momento.
He was going to do a parachute jump, but he panicked at the last minute.
Cuelga tus camisas antes de que se arruguen.
Hang up your shirts before they wrinkle.