A negative term used by the English.
Literally, it's slang for testicles, but like shit it's also an adjective.
If something is bollocks, it's poor quality.
If something is
complete bollocks, it's a lie.
It's even a verb, too.
If you got bollocked by
the teacher, he punished you violently.
If you bollock someone, you beat them up.
It's also a swear-word.
Someone might say oh, bollocks! if they fail an exam.