The 'Cat Looks Inside' meme originates from a simple two-panel webcomic style that captures a feline's curiosity followed by immediate psychological shock. In the first frame, the cat is seen peering into a box or container, while the second frame shows its stunned, wide-eyed reaction—often accompanied by the literal label 'Cat looks inside' and an 'X' representing the discovered object. It gained massive traction on platforms like Tumblr and X (Twitter) as a perfect visual metaphor for the 'curiosity killed the cat' proverb. Users leverage this template to mock their own poor decisions, such as checking a bank balance after a shopping spree, revisiting old social media posts, or reading the spoiler-filled comments of a new movie.