This phrase is used to describe someone who fights or defends themselves with all their might, similar to the English idiom 'fight like a cornered cat'. The literal translation is 'to defend oneself more than a cat on its back'.
Examples
- Spanish: Juan no se deja intimidar por nadie, él se defiende más que gato boca arriba.
- English: Juan doesn't let anyone intimidate him, he defends himself more than a cat on its back.