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Originating from Jacquet River, New Brunswick, this term is a slang word that refers to being a mild idiot, but is apparently a pet name. The originaters of the word must have used this to tell their children that they were stupid without actually calling them it, since they would never swear at their children.
Mom - "Listen here, Jigniff"

Michael - "Mom, what does that mean?"

Mom - "Nothing...Just a pet name."
Source: Michael Blake, Halifax, Nova Scotia
by Michael Blake November 24, 2007
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