I am really sorry for the joke, but as a slogan - even during GPW it could be taken as a kind of joke...
Now I'm at my father's flat, he has Internet access here (a thing I avoid at my own place), so, if you don't mind, I'll mix myself some Mountain Dew with pure ethanol, light a cigarette (only after taking away a bottle of 96% grain spirit!), sit back and try to explain.
It's a "padonki" (scumbags, geeks) style, some stupid expressions with deliberately distorted spelling, like "I spell as I hear". Now it's common in LJ comments, for example, an advise to "drink some poison" means that author ("affthor") have posted something really stupid and abominable. "Affthor, drink some puoison!"
Nest post with my joking slogans:
1) "Hitler - a heellish sotan!" - "Atstskaya Sotona" was a name of a fictional teenage "Suicide Metal" band who recorded several tapes and burned alive on stage during their first and only live concert.
http://www.sotona.ru This text was pretty funny when it appeared about 5 years ago, now "Healeesh Sottan" is another "idiomatic expression" showing negative astonishment in LJ comments.
2) "V Bobruysk, zhivotniye!" - I used the name of a German city that sounds absolutely idiotic in Russian (sorry I can't spell it in Latin) instead of "Bobruysk". The phrase means "Go to Bobruysk, you, animal(s)", and means that affthor is a stupid provincial animal, and is too low on a social stage for the society he's talking to. Bobruysk, a small town in Belorussia sounds funny and in this context means some god-forgotten place where people still eat cabbige soup with their bast shoes.
3) "Himmler - to gasenwagen!". "To gassenwagen!" in LJ comments means that the affthor's opinion is too stupid for him to stay alive. It doesn't have any antisemitic meaning. Cultural background is too difficult to explain in short, it's another freaky stuff from 1990s (
Stas Kaschenko, 2:5020/166 
, my first Fidonet adress was 2:5020/166.12 back in 1993)
4) "KG/AM" 
Abbrievation from "Kreatiff govno/Affthor mudaG", meaning "Affthor is a stupid ass-whole(*)/creatiffe work is a crap!". Standard brief opinion about crappy "creatiFF". What I wrote means: "to bludy Hitler/from sailours" - I just used first letters that make "KG/AM" ("Kravavamu Gitleru/at maryakov"). It's supposed to be written on a 305mm shell from an "October Revolution" battleship 
5) "Goebbels, kill yourself!" Another kind advise to affthor after readig his stupid "creatiffe" works.
Sorry for having a little fun At least Estel said that the first slogan about poison sounded funny in Russian. You know, we have a "weird sence of humor"...
(*) - I don't mean to circumcise the language filter, I only try to show the "wrong" spelling.
