I was never aware of the origin, but I know the use. And I was born and raised quite far from the Dutch border, so it’s not local spillover. I’d put that down

I was never aware of the origin, but I know the use. And I was born and raised quite far from the Dutch border, so it’s not local spillover. I’d put that down to the notoriety requirements of the German Wikipedia which are somewhat peculiar. Edit: It’s mentioned on this Wikipedia page https://de.m.wikipedia.org/wiki/Victor_Hase https://de.m.wikipedia.org/wiki/Victor_Hase and TIL: The expression was coined in the city I was born in.