Latin crappus - to study, or to drop
a. Place or room in which one or many written text (i.e. Jugs, Playboy, Maxim, Sports Illustrated, Autoweek, etc.) are tediously studied by men
b. Place or room where sturdy brown logs are dropped in a porcelain container
c. A bad turn; something that has taken a turn for the worse
a. Alright! I think I'm going to read this in the crapper
b. Damn! I gotta drop a log! I'm going to the crapper.
c. Wow! This place has gone to the crapper!