If you come in Namibia or South Africa, you will come across to this term. It means "Fuck off". In other terms of understanding, it could be translated as bullshit, rubbish, or untrue. You should understand that people this side mix languages when speaking. And it is normally used in action of reply. Most of us use it to scare a dog who's about to attack us.
"voetsek! fucking dog" = fuck off! funking dog
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