Fast drying concrete in the milkshakes!
Nope, hoax
Nazis are just pussies who want to dish out the pain and abuse, always on the most vulnerable groups, like defenseless children, but cannot take getting milkshaked in return because they are the weakest, most fragile, most upsettable bunch of snowflakes to ever walk the earth
since the milkshake is being weaponized, i'm surprised they're still for sale..McD?