1 definition by D00M

Top Definition
Thingamajig's origination is unknown but maybe the most well known place would be sim city 2000 where one of the industrial buildings where named "Thingamajig". Thingamajig describes something you have no idea how to describe.
It's a... hmmm... a... thingamajig probably.
by D00M March 15, 2005
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