Definitions by NioNoob

nionoob

A person who is exceptionally good at something, and never fails.

comes from the word "Noob" which means newbie and derives from slang, Nio means "not" in this context.
This is a synonym for "pro", so it can be used instead of "pro".

Wowie! He is such a nionoob!
I can't believe he did that! What a nionoob!
How long has she been playing?! She's a nionoob at it.
This guy is the opposite of a nionoob, he sucks at this.

nionoob by NioNoob April 6, 2026