Characters
You can freeze ice on his wife's ass.
— Vivian · Pretty Woman
Behind the line May contain spoilers.
Our reading
An editorial interpretation.
The speaker uses crude hyperbole to insult a man by way of his wife, claiming she is so cold that ice would form on her backside. It is a coarse jab at her supposed coldness, and by extension at him, presented as vivid exaggeration rather than literal fact.
Context reviewed