The smashing dishes suggestion seems silly. Not may people have a place where they could break plates without conquequences for someone.

What are you so angry about, Fluffy Dinosaur? I know for myself, who or what I'm angry at dictates how I realease or often-times difuse that anger.

You guys have left some really great suggestions, even if they're not helpful for the OP...I thank you, I'll be using some of these