The Sassy Iguana meme features a close-up of an iguana sporting a look of pure, unadulterated judgment and side-eye attitude. Often characterized by its tilted head and half-closed eyes, this reptile has become the internet's go-to mascot for expressing skepticism, sass, and disapproval. While various images of iguanas looking 'done' with humanity have circulated for years, the 'Sassy Iguana' specifically thrives in reaction threads where a situation calls for a silent but powerful rebuttal. It captures that universal feeling of watching someone make a mistake you already warned them about, making it a staple in the world of animal reaction memes.