Shared widely as a TikTok reaction clip, wa watdafak became popular because its slurred shouting is instantly recognisable even without context. The phrase spread through reposts, soundboards and short edits where creators reuse the same audio over new situations, turning a moment of outrage into a reusable punchline. Its appeal comes from that repeatability, each use implying the viewer has just witnessed something unbelievable. It remains common in meme compilations and comment style videos where an over the top scolding says more than a caption could.