The 'Family Guy Peter Falls Down' meme originates from the long-running animated series Family Guy, which debuted in 1999. In one of its most legendary recurring gags, Peter Griffin (voiced by Seth MacFarlane) trips or falls and proceeds to clutch his knee while making a rhythmic 'Sss... ahh!' sound of pain for an uncomfortably long duration. This specific animation style and comedic timing have become a hallmark of the show's physical humor. The clip is universally recognized as a symbol of overreacting to a minor injury or the dramatic feeling of a small setback. It is commonly used to represent physical clumsiness, the sudden impact of adult responsibilities, or the feeling of one's life falling apart in a comical way. Example captions include: 'Me after doing three squats at the gym,' 'My bank account after I say "treat yourself" once,' and 'When you stub your toe on the coffee table at 3 AM.'