1 n testicles. The word is in pretty common use in the U.K. and works well as a general “surprise” expletive in a similar way to “bugger.” the dog’s bollocks something particularly good (yes, good): See that car — it’s the dog’s bollocks, so it is. This in turn gives way to copy-cat phrases such as “the pooch’s privates” or “the mutt’s nuts,” which all generally mean the same thing. bollocking a big telling-off 2 rubbish; nonsense: Well, that’s a load of bollocks. Some additional U.S./U.K. confusion is added by the fact that the words “bollix” and “bollixed” are sometimes used in the U.S. to describe something thrown into confusion or destroyed.