No clear original video or speaker has been documented for this short phrase, so it is best understood as an online reaction clip rather than a line from a known show or film. In Spanish-language meme and chat culture, alguno habrá resentido functions as shorthand for noticing that someone has taken a joke personally, even when no one says so directly. Its brevity makes it easy to drop into short videos, replies and edits, where a single knowing line can replace a longer explanation and keep the joke moving.