Anger Management

What would you want to say to an ex-girlfriend or ex-boyfriend, ex-husband, ex-wife, ex-bestfriend, or all your ex's, or your enemy, or someone who pissed you off or bullied you during high school, or maybe your teacher who gave you an undeserving D or even F, or someone who betrayed you, or some b***h who's very annoying, etc.

What would you say?

...Come on, shout!