Wiggety Wiggety Whack!: Something, or someone that is so out of the normal that a regular word/phrase just doesn't do justice to the situation.
Ever since that old man got his leg shot off in Nam, the way he walks is all Wiggety Wiggety Whack!
crazy, abnormal, out of sync with reality
likely to have originated from the Kriss Kross song Jump; has since appeared in the lyrics of other hip-hop and rap songs
The polls have always been wiggety wiggety whack -- think back to New Hampshire.