questions in Slendytubbies

What's a "Blue Room"?

what does this message mean? i just wanted to create an slendytubbies 3 multiplayer account i'm not even trying to attempt to do anything bad :( someone pls tell me what the message means pls :(

help whats a tubby custard?? i dont kn ow what it is please tell me please please please please plase plesae please plsae please please