Characters
You know, if I ever saw you do something that wasn't ninety percent selfish, I'd die of shock.
— Josh ‧ Clueless
Behind the line May contain spoilers.
Our reading
An editorial interpretation.
The speaker teases that the listener is so self-serving that any act not at least ninety percent selfish would be a genuine surprise. The exaggerated figure and the promise of dying from shock turn a criticism of selfishness into a playful jab.
Context reviewed