In Mexican slang, 'chachalaca' is often used to describe a person who is excessively talkative or who speaks without thinking. It is derived from the name of a bird known for its loud, incessant calls.
Examples
- Spanish: ¡No seas chachalaca! Estás hablando demasiado y no estás pensando en lo que dices.
- English: Don't be a chachalaca! You're talking too much and not thinking about what you're saying.