naco adj. common, ordinary, plebeian, unfashionable, vulgar. (source: Double-Tongued Dictionary)
Further reading
It was a dark and stormy night. So begins the long and increasingly convoluted prose of Edwards Bulwer-Lytton’s best-known novel. Today the annual Bulwer-Lytton Contest asks contestants for fanciful first sentences that are similarly...
How do social media algorithms shape the way we communicate? A new book argues that the competition for clicks is changing the way we speak and write, from the so-called “YouTube accent” to the surprising evolution of the word preppy. Also: A...
In Mexico, a very derogatory / racist reference to a poor person (invariably of Indian appearance).
it can also be used for fun, not only to offend
usu used like ‘que naco’ or ‘que naca’ for a girl.