TV
If your sorority has to sell jam to buy beer, you’re drinking too much.
— Hank · King of the Hill

Behind the line May contain spoilers.
Our reading
An editorial interpretation.
A rule of thumb turned into a joke about excess. If a sorority has to sell jam just to afford beer, the speaker says the drinking has gone too far. The mismatch between wholesome fundraising and heavy drinking makes the point without needing more explanation.
Context reviewed