The one thing I have done that helps me is to scream. Literally. Not into a pillow, though that can be a quick release. Go somewhere where you can be alone - I have done it in the middle of a school field at night - and just scream until you can't any longer. I found it worked for me because when I get angry enough the first thing I want to do is scream. I am also working with a surplus of anger lately, the kind that makes me want to lash out at people, and I believe that I am going to look into kickboxing. Somebody before (and possibly more than one somebody) suggested rigorous aerobic exercise...I need it to feel like I am actually venting the anger in an aggressive way. So I'm hoping the kickboxing will help. I am going for a 'warrior training' (re: swordplay, etc) session on Monday as well. Maybe that will help me.