This Spanish phrase became a reusable meme format online because it frames admiration as a short call and response that anyone can apply to a new subject. Clips pair the question with an image or reveal, then use the confident answer as the payoff, which makes it work for fandom posts, sports highlights, music edits, and jokes between friends. Its popularity comes from the flexibility of the word idolo, letting creators celebrate a character or person seriously, ironically, or somewhere in between without changing the audio.