Messi twitter: "After this defeated against Venezuela I'm retiring for real and for ever" Reply post: Mr. Messi it was a draw and you didn't even play. Messi: "Well, just in case, better run and live than assumed I didn't achieve anything with my NT"
It means that many people from around the Soviet Union have relatives or friends who were forced by government to go clean up the Chernobyl mess and most of them died a painful death, so this is hardly a good subject to joke about.