The Crazy Mean Baby meme features a high-contrast image of an infant with an uncharacteristically intense and sinister expression, often looking directly into the camera as if plotting a scheme. This template rose to fame across social media platforms like Reddit and Facebook to represent situations involving petty revenge, disproportionate anger, or early-onset villainy. It is commonly used to mock the 'terrible twos' or to personify the frustrations adults feel in everyday life through the lens of a tiny, seemingly harmless human. The meme's popularity stems from the hilarious juxtaposition between a baby's natural innocence and the menacing vibe captured in this specific frame.