The 'One Thicc Bih' meme originated from a viral video featuring a modified rap song played over footage of characters, most notably from the psychological horror game Doki Doki Literature Club. The catchy lyrics and rhythmic delivery became a sensation on platforms like TikTok and YouTube, where users would sync the audio with various fictional characters to highlight their 'thicc' attributes. It evolved into a versatile reaction format used to express exaggerated attraction or irony. Today, it remains a staple of anime and gaming subcultures, frequently used to subvert expectations or mock typical fan service tropes in a humorous, high-energy way.