Ligera (en. Light)
/liˈxe.ɾa/
Slang Meanings
It refers to someone who is carefree or not serious.
He is a carefree guy, always laughing and joking.
Es un chico ligero, siempre riendo y bromeando.
It is used to describe something that is not important.
That's a trivial issue, it's not worth worrying about.
Eso es una cuestión ligera, no vale la pena preocuparse.