The nighttime moisture in the air that Latin American folk belief says can make you sick if you go outside with wet hair. Whether it's real or not, generations of abuelas swear by it.

To do absolutely nothing productive in Mexico, letting laziness completely take over without guilt. It's the conscious decision to be a professional couch potato for the day.

To waste time, do nothing productive, and just be lazy. In Chile it's the art of doing absolutely nothing, and a huevón is someone who's made it a lifestyle.

To make plans to meet up with someone at a specific place and time in Mexico. Even if the plan is set perfectly, there's always the chance someone cancels last minute without an ounce of shame.