Similar to "so what". Just means it's not that exciting.
It means the person believes that they're important and the majority of people know who they are.
its not big deal
bargain as in the expression: ¡Que ganga! What a deal!
big "freaking" deal.
Big Deal
No big deal
It means "No Big Deal".
No big Deal!
not to matter,or not very important Or not to care about
it's no big deal
"its no big deal" is the meaning of inbd
"its no big deal" is the meaning of inbd