witchy-poo n. a person perceived as espousing false or popular notions of witches or Wiccan beliefs; a fluffy-bunny; (attributively) showing characteristics of such notions or espousing a vague non-denominational spiritualism; woo-woo. Etymological Note: Probably from the character of Witchiepoo played by Billie Hayes on the children’s television show H.R. Pufnstuf starting in 1969. (source: Double-Tongued Dictionary)