What is the meaning of Balls?

plural of ball

The testicles.

Masculinity, particularly strength, courage, and force of will; chutzpah; brazenness.

Synonym of bollocks, nonsense.

A balls-up; a botched job.

Speaking or acting with bravado to achieve (something)

To engage in sexual intercourse.

third-person singular simple present indicative of ball

Very. Intensifier.

plural of ball

Source: wiktionary.org