The 'Muscle Man Chasing Runner' meme features a dramatic, high-energy illustration of an incredibly muscular figure relentlessly pursuing a terrified individual. While it often draws stylistic comparisons to the character Muscle Man from the animated series 'Regular Show,' the template has evolved into a versatile symbol for any overwhelming force, such as looming deadlines, intrusive thoughts, or past mistakes, catching up to someone. It gained widespread popularity on platforms like Reddit and Twitter for its visceral depiction of unavoidable pressure and existential dread. Users typically label the muscle man as the source of stress and the runner as themselves, making it a staple for relatable comedy regarding procrastination and the chaotic nature of daily life.