An internet poster or a troll on web forums or comments sections of mainly news websites, which pushes a pro-Putin or pro-Russian line. From the surname of the Russian president and a bot.

Briefly, "the realization that each random passerby is living a life as vivid and complex as your own." Originally from the Dictionary of Obscure Sorrows, which has a lot more beautiful neologism definitions like this you might enjoy.

Convenient European/American way of dismissing someones pro-Russian opinion or fact.