Characters
Shampoo is better! I go on first and clean the hair! Conditioner is better! I leave the hair silky and smooth! Oh, really, fool? Really! Stop looking at me, swan!
— Billy Madison · Billy Madison

Behind the line May contain spoilers.
Our reading
An editorial interpretation.
The speaker stages a heated argument between shampoo and conditioner, each shouted as superior for its own job: one cleans first, the other leaves hair smooth. It then turns abruptly into a challenge to a fool and an indignant demand that a swan stop staring.
Context reviewed