An American, a gringo, someone from the United States. In Mexico gabacho is the everyday term for a US citizen — sometimes neutral, sometimes with a slight edge depending on tone.

A person of humble origins who works for wealthy people without standing up for themselves. In Argentina and the Southern Cone gato implies someone who has sold their dignity for the approval of those above them.

To imagine things that aren't there, to assume without any real evidence. In Mexico and Central America imaginar el peine means you're constructing a whole story in your head with zero basis in fact.

To wet the bed — literally soaking the sleeping mat. In Mexico and Central America mojar el petate is the classic childhood embarrassment and the teasing that inevitably follows.