It means the person believes that they're important and the majority of people know who they are.
Similar to "so what". Just means it's not that exciting.
Olen eräänlainen big deal
its not big deal
big "freaking" deal.
Big Deal
It means "No Big Deal".
No big deal
No big Deal!
"its no big deal" is the meaning of inbd
"its no big deal" is the meaning of inbd
not to matter,or not very important Or not to care about
it's no big deal