Spotted...

^ it's bollock. you bollock someone.

when you use bollocks, it's usually in the phrase "don't bollocks it up" or "that's a load of bollocks".

saying "don't make me bollocks you", sounds a bit pervy.
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I'm foreign, you muppet, I say what I like.

(although I have also noted and will not do it again. Is it also wrong to say "Bollox someone"?)