The term 'Fuck-ass bob' originated as internet slang used to describe a specific type of short, blunt haircut that is perceived as particularly ugly, dated, or unintentionally aggressive. The phrase gained massive traction on social media platforms like Twitter and TikTok, where users began identifying the 'fuck-ass bob' on various fictional characters, historical figures, and celebrities. It has since evolved into a versatile reaction meme used to mock questionable fashion choices or to express disbelief at someone's appearance, specifically focusing on the awkwardness of the chin-length hairstyle.