cage of anger
A state of intense anger or rage that inhibits one's ability to forgive others or move on with one's life. Tom has been trapped in a cage of anger ever since his wife and child were killed, lashing out at everyone and everything around him. I know what she did was horrible, but you can't stay in this cage of anger your whole life.
the cage of anger
n. a prison. (Streets.) The judge put JoJo into the cage of anger for a three-year stretch.