An apartment or flat inside a building in Mexico and Argentina. It's what Spain calls a 'piso' — a living space stacked above or below other people's living spaces.

To work as an Uber driver or on similar ride-hailing platforms. It's a new verb reflecting the modern gig economy where your car becomes your source of income.

A privileged woman who demands to speak to the manager, complains about absolutely everything, and believes the world revolves around her. The internet meme became a real word describing a universal archetype.

A person or relationship that causes emotional damage but you can't pull away from no matter how hard you try. The toxic thing attracts you, consumes you, and destroys you — but the addiction is stronger than reason.