Spend a few days in Mexico and you'll likely hear two words that don't translate neatly into English: naco and fresa. They're slang labels loaded with class and social meaning, and understanding them gives travellers a small but genuine insight into how Mexican society talks about status, taste and manners.

Naco is the sharper of the two — a derogatory term with roots in colonial times, when it referred to an indigenous servant in the households of the Spanish elite. Today it's aimed at anyone considered crude or unrefined: wrong music, wrong clothes, wrong manners. It works as a noun or adjective (the feminine form is naca), and when someone really commits a faux pas, Mexicans reach for the superlative naquísimo. Money is no shield — a wealthy person with poor taste might be dismissed as a naco con lana, a "naco with money," a phrase that says plenty about how the middle and upper classes view displays of opulence.

At the other end of the social spectrum sits the fresa — literally "strawberry." The term began as a jab at spoiled, wealthy (usually female) kids who wouldn't dream of taking public transport, and it has widened to cover anyone precious, germ-averse or name-dropping. Unlike naco, the word fresa doesn't change for men.

Neither term has a true English equivalent. "Redneck" or "hick" comes close for naco in some contexts; "yuppie" hints at fresa — but the Mexican usage is far more specific. A classic fresa tic is the meaningless filler phrase "o sea," often deployed while telling someone "no seas naco" — don't be naco.

The fun part is how vivid the everyday examples are. You might prompt a "no seas naco" by wearing your shirt collar outside your jacket, riding your clutch up a hill instead of using the handbrake, singing along to norteño music, or dozing on the Metro and leaning on your neighbour. Meanwhile, confessing to having Shakira or Luis Miguel on your playlist, name-dropping important acquaintances, reaching for hand gel after touching anything on the street, or fanning yourself in a lift could earn you an "ay, qué fresa."

Why should a traveller care? Because these words are everywhere — in family banter, office teasing, TV comedy — and knowing the difference helps you read social situations and avoid accidental offence. Using either term yourself is best left to close friends; both carry real class prejudice. But recognising them means that when someone jokes about a fresa on the metro or a naquísimo at the dinner table, you'll be in on the joke rather than puzzled by it. It's a small piece of cultural fluency that makes time in Mexico richer — and it costs nothing to learn.

Full credit to Mexperience for the original explainer.