Anything Wii related that ranges from plain stupid to stupid beyond recognition.
Did you see that inflatable kart that CTA Digital made? That thing is wiidiculous!
During a round of wii sporting events. Whenever a person does a play that is sportscenter worthy it can be named as such. A normal reaction to a wiidiculous play is either amazement, shock, awe, or congradulatory.
Luke picked up the 7 - 10 split. It was wiidiculous