This usage probably emerged spontaneously on text-based forums in the early 2010s, perhaps as a mishearing of "Baba Yaga" (the famous Slavic witch) or a mashup of "Babadook" (the horror film monster) and "yuki" (Japanese for snow, or a common name ending). Once uttered, its viral, ear-worm quality allowed it to spread.
Beyond its role as a "boogeyman," the Babadook is widely analyzed as a profound metaphor for the human condition. babaduki
The most traceable use of "Babaduki" is as a within online gaming communities (especially World of Warcraft , Minecraft , and Roblox ) and on platforms like Reddit or Twitch chat. babaduki