A Spanish slang phrase which literally translates to 'keep oneself in the envelope'. It is commonly used to describe someone staying at home, especially during the night or when there is a social gathering.
Examples
- Spanish: Hoy no voy a salir, prefiero guardarme en el sobre y ver una película.
- English: I'm not going out today, I'd rather 'keep myself in the envelope', which means stay at home and watch a movie.