pachuco

noun, plural pa·chu·cos [puh–choo-kohz; Spanish pah-choo-kaws] /pəˈtʃu koʊz; Spanish pɑˈtʃu kɔs/.

1. (especially among Mexican-Americans) a teenage youth who belongs to a street gang known for its flamboyant style.

noun plural -cos

1. US a young Mexican living in the US, esp one of low social status who belongs to a street gang