A place where platypii are kept and fed. Most known due to its funny pronounciation.
Vaughn: "Yo man let's go to the platypussery."
Gaylord: "Dude what the hell man! You're a perv"
Vaughn: "No dude its where they keep platypii. Its analagous to the fish hatchery."
Gaylord: "Oh dude. Rad. Let's go to the platypussery then.