The lilgayboy45 meme centers around a specific, often low-resolution or distorted image of a cat—frequently a black cat with wide, startled eyes—that became a mascot for niche internet shitposting circles. Originally gaining traction on platforms like Twitter and Instagram, the name itself became synonymous with a specific brand of chaotic, absurdist humor. It is primarily used as a reaction image to convey shock, confusion, or a 'no thoughts, head empty' energy. While the name resembles a typical early-2000s username, its modern usage thrives on the irony of digital subcultures, making it a staple for anyone looking to add a touch of weirdness or 'brainrot' aesthetic to their social media feed.