Esgalillao
It’s Puerto Rican slang for singing loudly, strongly and with a lot of passion.
Mario estaba esgalillao cantando en el concierto de Bad Bunny.
Esgalillao
It’s a Puerto Rican slang word that means to sing as loudly as you can or to sing strongly.
Aquel muchacho estaba esgalillao cantando en el concierto.