It is mostly Hebrew with a fake Eastern European accent.
He uses a some basic phrases from Polish such as "Dzienkuje"(thank you) and "Jak sie masc?"(How are things?).
It could be the nudity...or the male sex inuendos...or possibly all the swearing. It might be all the references to racism or incest. It could also be the drug use.
Everyone in kazakhstan, his friend Amazhat, and Lunelle (the hooker he brang to the dinner party, which he later married.
I think the part when he tries to kidnap pamla was also scripted, though...