Top Definition
1. Combination of a retard and an idiot.

2. Someone extremely slow or dim-witted.

3. Person who is unable to understand the easiest of concepts.
I tried to explain to Jeff how to add more than 2 numbers together but he is such a tardiot he didn't understand.
#dumb #dim-witted #unteachable #slow #idiot #retard
by GMB123 February 26, 2010
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