Movies
Men are rats! Worse then that! They're fleas on rats! Worse then that! They're amoebas on fleas on rats! They're too low for even the dogs to bite. The only man a girl can trust is her daddy.
— Frenchy · Grease

Behind the line May contain spoilers.
Our reading
An editorial interpretation.
The speaker vents cynicism about men through an escalating list of insults, making each comparison smaller and more contemptible than the last. The final exception for a girl's father adds another sweeping claim. Repetition and absurd scale turn the outburst into a comic performance.
Context reviewed