The 'At First I Was Like Mmm Feet As A Joke' meme is a popular variation of the ironic vs. sincere trope found across social media platforms like Twitter, TikTok, and Reddit. It humorously explores the psychological phenomenon where individuals engage with a niche or controversial topic ironically, only to find themselves genuinely interested or 'down the rabbit hole' over time. The phrase typically accompanies images of characters looking distressed or having a sudden realization. While the specific mention of feet taps into a long-standing internet obsession with foot culture, the template is widely adapted to describe anything from music genres to subcultures that start as a joke and end as a sincere personality trait.