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An offshoot of the classic nursery rhyme "Hickory Dickory Dock". Normally used in frustration/anger/disappointment to express one's strong disapproval for the actions and/or nature of a jackass/nigger/over-all douche.
Guy1: Oh great, this jackass over here is fucking up our friendly round of Croquet.

Guy2: Niggery diggery do!
by Compassionate Misogony February 27, 2010
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