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Anybody who is addicted to any form of gadgets. People who often tinker around with random household objects, such as toasters, remotes, ect, are generally gizmoholics.

In short, anybody who is overly fascinated by gizmos, appliances, or gadgets.
Timmy took apart the lawnmower, radio, and sewing machine but was such a gizmoholic he was able to put them all back together!
by Whiskey Thunder January 06, 2010
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