Half-Life, Valve's 1998 first-person shooter, gave its Black Mesa scientists a full set of voiced reactions, and their short, theatrical pain barks became a signature of the game. Modders and machinima makers pulled the sounds out of the game files, and the yelps spread through internet poop edits, Source Filmmaker sketches and gaming meme compilations. It sits alongside other iconic gaming hurt sounds like the Roblox oof and the dramatic NO GOD! PLEASE NO!!! NOOOOOOOO yell, and it survives because one tiny grunt instantly reads as cartoon suffering.