"Nebby" is the Yiddish slang for "dorky". There is an entry before this under "nebbish" and the person wrote that it came from Hebrew. This is a common mistake, however, "nebby/nebbish" is proudly Yiddish.
I went to synagogue yesterday and all that was left over were the nebby 40-year-old guys.
to be like a neb; To be awesome, to be amazing, just to be the bestest person in the world. To have an iq over 150, and to just surpass absolutely everyone in the universe.
Max: I got 100% on exam.
James: thats impossible
Max: well afterall, i am nebby.
Refers to a being originating from Strongsville, Ohio. Has supremedomination over others and is capable of achieving whatever it puts it's mind to. Ladies are infatuated by and love it.
(From the book of Nebby, volume I)
Nebby having acomplishing wealth and fame set off to find a number of beautiful women to accompany him for the rest of his life.