If you ever played the video game Duke Nukem, you might remember his signature catchphrase, “I’ve got balls of steel.” This use of balls features widely in the English lexicon, as in:
- big balls
- break my balls
- have (someone) by the balls
So it’s understandable that when you encounter a phrase or idiom with “balls” in it, the cojones are a go-to cognate. But that can lead one astray. Take, for example, “balls to the wall,” meaning to be racing flat-out. This comes to us from aviation, where the throttles are topped with knobs and are pushed fully forward for maximum power.