The equivalent of the N Word for white Europeans.
The traditional N Word being a slur of the word Nigerian, the Y word is a slur of Yugoslavian, arguably the worst Slavic country.
Paul: heyVlad, you’re not from Yugoslavia, are you?
Vlad: he’ll naw, I ain’t one of those god damn Yuggers
Mush 1: Get in the jeep I'm going to kill that cunt who was mouthing in the peever last night.
Mush 2: Not a problem. Two minutes I'll just get me yogger.