Learn how to say Balls correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word balls:
2 [mass noun] courage or nerve.
3 [mass noun] British nonsense; rubbish (often said to express strong disagreement).
[with object] (balls something up) British
have someone/thing by the balls
have complete control over someone or something:
they’ve got us by the balls, and they know it