Originally Posted by jordanbillie
It may vary, but I thought it was considered poor etiquette regardless of where you are playing.
I've played quite a lot in the casino and I've never come across that viewpoint before reading this thread.
I thought it was the opposite, that if you muck your cards on showdown it was considered poor etiquette, especially if you have been called on a bluff.
Once in the casino I mucked my cards 2 or 3 times on showdown and this one guy got really pissed about it.