A popular political and patriotic slogan. It appeared in the winter of 2013 during the Euromaidan, when those who came to the Maidan jumped to warm up in the cold.YouTube - https://www.youtube.com/watch?v=M6rfqr9afMcWiki - https://ru.wikipedia.org/wiki/Kto_ne_skachet,_tot_moskal
Lyrics
Who does not jump is a muscovite, Hey, Hey, Who does not jump is a muscovite, Hey, Hey...