Yo, Angelo refers to a recurring scene in the anime and manga series JoJo's Bizarre Adventure: Diamond is Unbreakable, where the protagonist Josuke Higashikata casually greets a large stone in his town. This isn't just any rock; it's the transformed remains of the antagonist Anjuro Angelo Katagiri, whom Josuke fused with a boulder as punishment. The meme gained massive traction within the JoJo fandom and the broader internet, often paired with the Moai emoji to represent the stone. It is typically used as a friendly but absurd greeting or to reference stoic, stone-like characters and situations.