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A child between the age of 0 and 2 that is mentally retarded.
The young mother was very happy to spend time walking her tarby in the park.
by NpcRtj October 21, 2017
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A meal consisting of both Taco Bell and Arby's. Typically a combination of value menu items.
"Hey, who feels like Tarby's for lunch?"
by helltoupe October 29, 2012
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