A practice during anal sex in which the man takes a massive piss inside the woman's ass, takes his dick out after, and lets her squirt the piss out of her ass into a glass
David: Last night me and my gf had a glass of Russian Lemonade after I fucked her in the ass, it tasted like shit and ass but I liked it
Jose: Why the fuck am I friends with you?
A Russian Lemonade consist of all the ingredients of lemonade but lemon juice is replaced with your piss
X: “Whats your favorite Drink?”
H: “Personally I enjoy a Russian Lemonade”