bollocks

UK: /ˈbɒləks/ US: (bol′əks)

WordReference Random House Unabridged Dictionary of American English © 2025

bol•locks  (bol′əks), n. 

1. Slang Terms (used with a pl. v.) [Vulgar.] ballocks.
2. British Terms (used with a sing. or pl. v.) Vulgar. rubbish;
   nonsense;
   claptrap (often used interjectionally).

• variant of ballocks 1735–45

Collins Concise English Dictionary © HarperCollins Publishers::

bollocks / ˈbɒləks/, ballocks, bollix / ˈbɒlɪks/ noun:plural

1. another word for testicles
   See testicle
2. nonsense; rubbish

interjection

1. an exclamation of annoyance, disbelief, etc

Etymology: Old English beallucas, diminutive (pl) of beallu (unattested); see ball¹