Sounds like this come from short user made soundboard clips where a single shouted word is pitch shifted and given heavy reverb to make it funnier. The Mister VV yeah version has no clear film or game source and spreads mainly through meme edits, reaction videos and group chats. Its appeal is the editing itself rather than a famous line, so creators reuse the same two second burst whenever a moment needs instant, over the top approval without any setup or context needed beforehand.