In Spanish slang, 'la antena' typically refers to someone who is very perceptive or intuitive, often being able to pick up on things that others might miss. It's like saying someone has a 'sixth sense'.
Examples
- Spanish: Mi abuela siempre sabe cuando estoy triste, ella es la antena de la familia.
- English: My grandma always knows when I'm sad, she's the antenna of the family.