bosh
From Longman Dictionary of Contemporary Englishboshbosh /bɒʃ $ bɑːʃ/ noun [uncountable] especially British English old-fashioned UNTRUEsomething that you think is silly, not good, or not true He thinks modern art is bosh. —bosh interjectionOrigin bosh (1800-1900) Turkish bos “empty, useless”