ill
approving
the one-line answer
Excellent. Hip-hop origin slang for impressive or skilled.
Ill comes from hip-hop culture where it means exceptionally skilled or impressive. Calling someone ill means they are excellent at what they do.
fading
Well known in specific communities.
01 / in the wild
hear it move.
compliment
his flow is ill. every bar lands.
His rap style is exceptional. Every line is impressive.