bollocks

Concise Oxford English Dictionary © 2008 Oxford University Press:
bollocks /ˈbɒləks/ (also ballocks)

▶plural noun Brit. vulgar slang

• 1 the testicles.

• 2 [treated as sing.] nonsense; rubbish.

– origin C18: pl. of bollock, var. of earlier ballock, of Gmc origin; rel. to ball1.