

I always had issues with that phrase. The first thing I would do is go to the hospital, since that is a sign of a massive hernia. Also, cajones means drawers or boxes, the word you’re looking for is cojones.
When using aphorisms, please try and Google them.
A pet peeve of mine is gratuitous and incorrect use of my native languages.

Would you kindly read the article you linked? It literally says the entry is for COJONES, not CAJONES.
This is just like some Americans getting upset and doubling down when people point out that Colombia is the name of a country, and it is not spelled Columbia(Unlike the several places called Columbia in their country).
Edited to add the screenshot.