fucking shicen dreck (possibly also:
fugging shicen dreck to avoid
censorship filters ) = German/English mix abbreviation/eclamation for an absurdly bad performance, situation, ...
Peter: What about the new regulations from the headmaster?
Woolfie: Oh,
man, they're totally fsd!
Susie: oh my, ... 7-day covid incidence* went over 2000 today!
Sylvia: fsd!
*= notification rate