John Montagu, the 4th Earl of Sandwich, popularized the culinary concept of placing slices of cold meat between two pieces of bread so he could eat with one hand while continuing an intense, uninterrupted gambling session. While similar combinations had existed in various cultures for centuries, Montagu's high-society endorsement formalized the term 'sandwich' and elevated it into a highly fashionable, efficient meal across Britain. It represented a major cultural shift toward convenience food, reflecting the accelerating pace of modern urban and political life.

The invention and naming of the sandwich became a frequent target for late-eighteenth-century political satirists, broadside balladeers, and comic poets, who used the simple, portable meal to symbolize the misplaced priorities, corruption, and obsessive gambling habits of the British ruling class. It introduced a lasting archetype of elite laziness and modern haste into the era's popular social verse.