Russia: Pancake Week
Russia
The Turkish Invasion writes about the celebration of the Pancake Week in Russia: “For the Russians Maslenitsa is like a carnival for the Italians, especially because the initial sense of festivals is the same: the Italian word “carnival” (carne-vale) means “farewell the beef!”, and Maslenitsa that precedes the Great Lent, in old time was called “Myasopust” because it was forbidden to eat meat during this week.”

















































In my opinion, the only slang from this list which is falling out of vogue...
I'm from Russia, use internet daily, and I didn't know half of these words. The...