Meme Coins Are No Longer Just JokesโTheyโre Billion-Dollar Moves. Back in the day, meme coins were just playful little side hustles. Think of Dogecoin. It started as a joke and ended up with Elon Musk tweeting about it like a crypto messiah. Then came Shiba Inu, flipping the game with utility and a wild fanbase. Suddenly, meme coins werenโt just for giggles anymoreโthey became money-making monsters.