To worry excessively about something, going around in circles until you're mentally drained without actually solving anything. The Spanish art of overcomplicating your life purely through thought, no external help needed.

The rear storage space of a car for luggage, bags, and whatever else you need to transport. That compartment that's never big enough when you go on a trip and you always end up forcing the lid shut.

To do homework in Spain — what the teacher assigns for you to suffer through quietly at home. After enduring class you still have to keep working; life isn't fair.

To refer to someone who inserts themselves into other people's business without being invited. This person always has an opinion about something that doesn't concern them.