In english, Boo is used to scare people. In art, many people draw ghosts saying "BOO!!!" Boo or BOO may refer to: Places. Boo (Aller), parish in Asturias, Spain. Boo, standard abbreviation for the constellation Boötes. Boo, Ghana, a town in Lawra District in the Upper West RegionDeja. Boo, Guinea, in Nzérékoré Prefecture; see List of schools in Ghana. Boo, Sweden, locality in Stockholm County. Bodø Airport in Norway, IATA airport code BOO. Boo Islands, West Papua, Indonesia. Station. Code for Bogor railway station. People.
https://en.wikipedia.org/wiki/Boo