The 'Um, Excuse Me, What The Actual Fuck Are You Doing In My House?' meme stems from a viral video featuring a high-pitched, indignant voice-over expressing absolute shock at an uninvited presence. The audio became a staple on platforms like TikTok and Vine, often paired with images of confused cats, startled animals, or characters in video games who have wandered into restricted areas. It perfectly captures the specific transition from polite confusion to intense, profanity-laced indignation. Today, it is widely used across social media to comment on everything from intrusive software updates and annoying advertisements to genuine boundary-crossing moments in pop culture and gaming.