The 'Frog in Tom Holland's Mouth' meme began as a lighthearted fan conspiracy on Tumblr and Twitter around 2017. Fans observed that the Spider-Man actor often keeps his mouth closed in a specific, slightly puffed-out way, leading to the joke that he is carefully guarding a live frog named 'Dave' inside his mouth. Tom Holland himself eventually acknowledged the meme in an Instagram post, cementing its place in internet history. It is typically used to explain his concentrated or awkward facial expressions during interviews and public appearances, serving as a wholesome and absurd piece of celebrity lore that continues to resurface whenever new photos of the actor are released.