Top definition
To do something which is entirely assinine or otherwise pointless and yet oblivious to what just came out of the idea.
"Hey guys, I had a great idea. Why don't we make parachutes for buffalo so they can go skydiving... I think there's a market in it!"

"Damnit Jim, that's Jimtarded"
by Cupcake Republiq January 31, 2007
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