What does vamonous means?

"Vamonous" is a Spanish word, but it's not a standard word in modern Spanish. It's an older, informal, and somewhat outdated way of saying "let's go" or "get going". It's similar to "vamos" (let's go) but with a more emphatic and urgent tone.

You might hear "vamonos" used in older movies, literature, or even spoken in some dialects, but it's not a word you'd typically encounter in everyday conversation.