The 'Yourfavoritedaughter2 Leg Day Warm-Up' meme originates from a viral TikTok video posted by fitness creator yourfavoritedaughter2, featuring an energetic and distinct warm-up routine. The clip quickly resonated with the fitness community due to its relatability, capturing the intense psychological and physical preparation required before a grueling leg session. Users often overlay the video with 'POV' text to describe various scenarios where someone is over-preparing for a task or getting hyped up for a challenge. Its popularity stems from the creator's charismatic movement and the universal experience of 'gym motivation' that often looks more dramatic than the workout itself.