In Spanish slang, 'empiernado' refers to someone who is deeply in love or infatuated to the point of being almost obsessive. It can also refer to someone who is under the control or influence of their partner.
Examples
- Spanish: Juan está tan empiernado con Maria que no puede dejar de pensar en ella.
- English: Juan is so infatuated with Maria that he can't stop thinking about her.