A piqueria is a showdown between two juglares of Vallenato. They are freestyle competitions where the participating juglares battle over who has the better accordion-playing skills, as well as who can freestyle sing better verses challenging and insulting the other.
In the context of Vallenato music, a piqueria refers to a competitive performance where two skilled juglares engage in an improvisational battle, using their accordion-playing and singing talents to outdo each other through clever lyrics and insults.