radness en · NOUN
Etymology
From rad + -ness.
Meanings
-
(slang, uncountable) excellence
Usually, freshmen were excited to cruise around with anyone who had a car, any car. Just to be able to avoid the bus or a ride with mom and dad was rad. But, this car was pushing the boundaries of radness.
2009, Erik C. Votruba, The Cowboy Mile, page 145: