"Yo!" seems to have arrived with Rap music. I was a Youth Worker when Rap first hit the UK, and I think I picked it up back then.

I guess "Oi!" Is a pretty common exclamation here, usually to attract someone's attention (in a rather impolite way!) or as an expression of surprise.

No we don't generally use the Yiddish-sounding expressions you mention, we have one or two - 'shyster' for instance - but there isn't a big "Yiddish" thing going on here. Maybe because we don't have such a big Jewish population here? Those terms do sound very "American" AFAIC.

Disclaimer: I'm speaking with regard to language usage out in The Lincolnshire Backwoods. Others, who may reside in the North or Dahn Sarf, may have different experiences of language usage!