There is no documented origin for 'ohnawacevane': no confirmed speaker, show, song or viral video has been tied to the phrase, and it appears to be a user-coined soundboard upload. With only a handful of plays, it belongs to the long tail of tiny meme clips that circulate through Discord servers and editing apps, where creators grab odd vocal fragments precisely because nobody recognises them. Its continued use depends entirely on that obscurity, functioning as an in-joke texture rather than a reference anyone is expected to get.