It doesn't matter how hard you try or how good you are at doing it, the bear is dead, so nothing's going to happen.
We tried our best but lost to a superior team. That blows dead bears dude!
A Bear Dead, or Bear Dad is a term used to describe someone who is a furry but denies it, despite everyone clearly knowing.
Mark: Hey John, I saw Dave at the Furry convention yesterday, but he denied it when I talked to him about it.
John: Classic case of a Bear Dead right there, pal.