A girl who begins their stay in your life looking fit and trim, and, over time, gains weight to the point where they are fat. This is never good, because you have become attached to their personality, but hate their looks. A trap.
Nick: "poor justin. Looks like tonia was a creeping fatty after all!"
Brian: "yeah.... I kinda feel bad for both of them..."
Propensity of Americans to eschew or reject individualism and think in prescribed patterns out of a genuine fear of stepping out and thinking on their own.
"The average person...thinks in prescribed patterns. People...have a genuine fear of stepping out and thinking on their own.'Creeping Meatballism' is this rejection of individuality. It's conformity."