The WTF Boom clip spread as a reusable reaction sound on forums, early video sites and later soundboards, where its simple two part structure made it easy to drop into almost any edit. One short shocked line sets up an expectation, then the explosion breaks it completely, which is why the format survived long after many other loud boom memes faded. It remains popular for gaming edits, anime cuts and short form videos because viewers instantly recognise the setup even before the blast arrives.