Originally Posted by
TheOtherBob
Well, my knees aren't dead -- but I did have a new ACL put in that was donated. So my knees aren't dead, but part of one of them belongs to a dead guy.
Zombie Knee! That's awesome.
Three too many marathons.

My knees aren't quite dead, but they're on their last legs.
We still haven't evolved to grow this tall or live this long. Knees are the achilles' heel of our species.