The Good Humor man can only be pushed so far.

On its face, the line plays on the brand-name image of the “Good Humor” ice-cream man—an emblem of cheerfulness and patience—to suggest that even the most obliging, sunny persona has limits. The humor comes from treating “Good Humor” as both a proper noun (the vendor) and a description of temperament, implying that enforced pleasantness can become a burden. Read more broadly, it gestures toward the strain of emotional labor: the expectation to remain upbeat in public-facing roles until provoked beyond endurance. As attributed to Cartwright (best known for voice work in comedy), it also fits a comic tradition of puncturing wholesome Americana with a flash of irritation.