Regarding uh the dearth of prison slang in your part of teutonia: i’d blame autarky (no underclass?) & repression (see https://de.wikipedia.org/wiki/Kiberer#Trivia)
Jenisch & Rotwelsch, any trace?
we had this convo earlier? Gold the precious colour of liberalism? (& of commerce and markets?) should work very well for the kray (UA/RU)
(Surely it would come after red in any hierarchy)
Return to usual programming soon :)