The Evil Cows meme, often featuring a cow with a sinister expression or one standing ominously in front of a fire, represents the unexpected malice behind a normally peaceful animal. It gained traction across platforms like Reddit and Tumblr as a way to personify minor inconveniences as grand, villainous schemes. Users often pair the image with captions about plotting revenge or causing harmless chaos. Its popularity stems from the absurdity of a farm animal looking genuinely threatening, making it a staple for dark humor and mischievous relatability.