kloot = testicle zak = bag and... schop = kick. Klootzack has been bastardized. Means too many things today, but all all probably appropriate for my sentiment.
Klootebibber. Nuts shaking. You can figure that one out.
During my tenure in the 39th Signal Battalion at Schinnen in The Netherlands north of Maastricht my Dutch colleagues used to say that Klot Soc literally meant someone who sits on their balls doing nothing a lazy SOB if you will.
... if Wilder’s manages to get elected it’s going to turn Holland on its head.