When you gotta be alert for your homie.

When a person is on the ball, meaning they're keeping track of their shit... always ready.

In Argentina. Face.

Gay in Spanish slang.

watch out, look out

Literally "trout" in Spanish, it is also Spanish slang for "alert", or "vigilant". It was a combined with the word "Salvadorian" to form "Salvatrucha", as in Mara Salvatrucha, or the street gang MS13.

It is used as a warning, for example, similar to "heads-up".

Keep look out; make sure no one's coming