I'm European myself, and I do know the term "bucks" and what it means. I have a tendency to use it when I know that my interlocutor or audience is American. Ex : "Hey bro, can you lend me 10 bucks please ? No, I already gave you 20 bucks last week, go get a job if you want to buy your shit, you lazy fatass"Maybe I'm incorrect but, Europeans don't call money "bucks". This looks fishy to me.
L&P being German if I'm correct, his country is known to have a high level in English mastering, close to Scandinavian ones. That's all for the lesson about English knowledge worldwide folks.
Regarding the man in his full glory, it would be no surprise at all if he creates such an abusive, over the top tier. Greedman is his nickname !