This is the 7738th most frequent Spanish word.
loca
"Loca" means "crazy" or "mad" and is typically used to describe a female.
In this sentence, 'loca' is used as an adjective to describe the emotional state of being very enthusiastic or passionate about something.
Ella está loca por la música.
She is crazy about music.
Here, 'locura', derived from 'loca', is employed as a noun to express a concept or notion that is considered eccentric or unconventional.
La idea de viajar sin planes es una locura.
The idea of traveling without plans is madness.
In this context, 'locos', the plural form of 'loco', is used metaphorically to describe their animated and energetic behavior.