Best definition
wiird
adj./adv.-When something unbeliveable or unexpected happens while playing wii.

“Did you see it? Matt’s head burst into flames while playing wii sports. . .man, that was pretty wiird.”
wiird: define #2
wiird
When something awkward happens on a Nintendo Wii game.

I tried throwing a left hook, but instead it uppercutted you with my right, it was so wiird.