The rank achived when: you have become a basterd and coronated 'The King of all Biggots'. it is one of the lowest ranks in the hierarchy of Shishahism (A religion based on smoking the Hookah Pipe) and is often used as an insult or a friendly greating among devotees.
See Shishaism for more details.
Martin: Hey dude, i'm so stoned of my ass right now...
Charles: Biggot Basterd King
Martin: Same to you man, same to you.