The Angry Chihuahua Happy Chihuahua meme format captures the legendary emotional volatility of the world's smallest dog breed. Usually presented as a two-panel comparison, it features one image of a chihuahua in a state of pure, tooth-baring rage and another where the dog looks blissfully happy or wide-eyed and calm. This meme went viral across social media as the ultimate relatable content for 'before and after' scenarios, such as the transformation from being 'hangry' to satisfied after a meal. It remains a favorite for depicting dramatic mood swings and the thin line between chaos and peace.