A figurative expression which translates to 'to work extremely hard' or 'to give everything you've got'. It is used when someone is putting a great amount of effort into something, as if they are working so hard they could 'take out their liver'.
Examples
- Spanish: Mi hermano se está sacando el hígado estudiando para sus exámenes finales.
- English: My brother is working his guts out studying for his final exams.