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Sirbadasstian is a nick name for Sebastian.
A Sebastian can be annoying and arrogant with an amazingly huge lack of humility.
Although A Sebastian or Sirbadasstian can be kind and enormous fun when he wants to :)

In General Sirbadasstian is a badass
Sebastian: I need a nick name
Mum: How about Seb?
Sebastian: No mum that's to mainstream, you wouldn't understand...
Sister: how about "Sirbadasstian"
Sebastian: PERFECT
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