Fíjate (en. Look)
/ˈfijate/
Slang Meanings
expression to catch someone's attention informally.
Look, man, you won't believe it!
¡Fíjate, loco, no te lo vas a creer!
used in colloquial situations to emphasize something unexpected.
You know what, I ran into your brother on the corner.
Fíjate que me encontré con tu hermano en la esquina.