What is Cutting Edge?
1.
adjective form of "the Cutting Edge."
When something is "cutting edge" is is at the current limits of scientific/technological/artistic progress. The newest and most advanced.
In 1903, the Wright Brothers used what were then cutting edge techniques, such as a wind tunnel, to design their plane.
This magazine is so cutting edge! It's so much cooler than those conservative, out-of date newspapers.
2.
A guy who doesn't listen to shit music.
"You hear about that guy who shat all over the latest Three Days Grace CD?"
"Yah yo dat boy is dah cutting edge."
See