In Spanish slang, 'llavero' is often used to refer to someone who is always with another person, similar to being a sidekick or a 'tag-along'. It can also be used negatively to refer to someone who is overly dependent or clingy.
Examples
- Spanish: Siempre está con su novia, es su llavero.
- English: He is always with his girlfriend, he is her tag-along.