If you don't know, either inquire at ShoweRingSuite or ask an UpperClassman? to show you.
You can do this by running out into the courtyard and screaming at the top of your lungs "What in the hell is Showering" and you will recieve a personal demonstration.
HonorShowering is for wimps.
Someone should really describe the one and only MindShowering?... though that leaves about 4 of us who remember it to do so...