Quote Originally Posted by Chopper
think of it this way. you have AA. you play very tight, typically, and a maniac says, "watch out, bluffy, he never RRes. i bet its AA." and your villain promptly folds. how pissed off would you get?
I think this is ethically wrong but it isn't against any rules.

Saying your cards after you fold in any way (either verbally or slamming the table) while there is still action is however wrong and against the rules.