An expression of incredulity.
An expression of anger, frustration, etc.
An idiot, an ignorant or disagreeable person.
The testicles (sometimes used in the singular)
Nonsense or information deliberately intended to mislead.
To break.
(also bollocks up) To fail (a task); to make a mess of.
That's a funny joke (often said to indicate that what has just been said is laughably unbelievable.)