jiggery-pokery [jīg.ur.ēē`pō.kur.ēē] noun.

Roguish and secret plans or tricks and other hugger-mugger.

[Variant of joukery-pawkery: Scots jouk, to duck from duck {as verb} & pawk, trick & -ery {as in trickery} fr. Old French fr. -er, -er, fr. Latin -ārius, -ary, {as in extraordinary} influenced by Germanic *-ārjaz, cf. English -er {as in cooker}]