Douglas Harper's Etymology Dictionary
"testicles," from Old English beallucas, plural diminutive of balle (see ball (n.1)).
Wiktionary
n. (alternative form of bollocks English)
Usage examples of "ballocks".
Then Andromeda, in a perfect tempest of outrage, fishfed the entire contents of the chest: shore me of my valiant past as a steering drover ballocks a bull.
He simply wished he had not begun to think her story about the goddess was a load of ballocks from start to end.
Whereupon a golden Edge of Pleasure proceeds to bisect him upwardly all the way from his Ballocks to his Heart, which these days is a lengthy journey.
Not the grape, Not garlic not the olive, not the strong sun Tickling the manhood in a man, be he Monk or friar or dean or Burly bishop, big ballocks swinging like twin censers.