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1.
Adjective used to describe the niceness, or awesomeness of a person, place or a thing.
Person:
That kid uses a spray can and paints with hella dopeness.

Place:
The emcees rocking the mic was the dopeness of the party.

Thing:
A Dopeness Monster.
by Cyrano On The Mic January 16, 2007
 
2.
A condition where an object, place, event or person possesses and outwardly displays qualities that can only be described as dope.
"Dude, should have been there! I got Gwen Stefani's autograph! It was dopeness!"

"Check out these paramecia and volvox specimens! Dopeness!"
by skateboardingjedi January 18, 2007