This Spanish slang phrase is used to refer to the idea that people often revert back to their habits or nature, no matter how much they try to change. The literal translation is 'The pig always seeks the mud'.
Examples
- Spanish: María siempre vuelve con su ex, como dice el dicho, 'el cerdo siempre busca el fango'.
- English: Maria always goes back to her ex, as the saying goes, 'the pig always seeks the mud'.