jiggery-pokery[jig′ər ē pōk′ər ē]
Chiefly Brit., Informal trickery or deception; hanky-panky
Origin of jiggery-pokeryaltered ; from Scottish joukery-paukery, rhyming slang ; from Indo-European an unverified form joukerie, trickery ; from an unverified form joukere, a cheater ; from an unverified form jouk, a dodge, dart ; from uncertain or unknown; perhaps
Underhand scheming or behavior.
Origin of jiggery-pokeryAlteration of joukery-pawkery : from Scots jouk, to dodge (probably from duck2) + Scots pawk, trick.