Green’s Dictionary of Slang

Jatz crackers n.

[rhy. sl. = knackers n. (1); ult. brand name Jatz, a popular Aus. cracker biscuit eaten with cheese, dips, etc]

(Aus.) the testicles.

[Aus]N. Cummins Tales of the Honey Badger [ebook] The infection had spread covering most of my quad and marching towards the Jatz Crackers.