jiggery-pokery
noun /ˌdʒɪɡəri ˈpəʊkəri/
  /ˌdʒɪɡəri ˈpəʊkəri/
[uncountable] (informal, especially British English)- dishonest behaviour- He began to suspect that some jiggery-pokery had been going on.
 Word Originlate 19th cent.: probably a variant of Scots joukery-pawkery, from jouk ‘dodge, skulk’, of unknown origin.