As a short meme reaction clip, waaaw circulates online without a single clear original source, which is common for user-uploaded soundboard sounds built around a simple vocal expression. Its appeal is its flexibility: the same stretched wow can sound sincere, sarcastic or stunned depending on the video underneath it. That is why it keeps appearing in reaction edits, short-form videos and meme compilations, where creators need an instant, recognisable signal of surprise that works even without context or subtitles.