Characters
Hey sideburns, you want some of this milk? Janitor. I’d rather have a beer.
— Billy · Billy Madison

Behind the line May contain spoilers.
Our reading
An editorial interpretation.
An offer of milk receives an answer that replaces the proposed drink with the one the respondent actually wants. The exchange makes a mismatch of preferences its whole event. The casual address and direct response keep that disagreement brief, without providing an explanation or apology for it.
Context reviewed