This is not exactly a slang term but a Spanish phrase. 'El amor lo perdona todo' literally translates to 'Love forgives all'. It means that if you truly love someone, you can forgive them for anything they do.
Examples
- Spanish: A pesar de todas las peleas y desacuerdos que tienen, él siempre dice que 'el amor lo perdona todo'.
- English: Despite all the fights and disagreements they have, he always says that 'love forgives all'.