This phrase is not strictly a slang term, but in a colloquial context it can refer to the act of accumulating points or advantages in a figurative way, often in a relationship or social context.
Examples
- Spanish: Juan siempre me ayuda con las tareas de la casa, está acumulando puntos para cuando quiera pedirme un favor.
- English: Juan always helps me with house chores, he's accumulating points for when he wants to ask me a favor.