The Soup Nazi's catchphrase, revisited in the Season 9 clip-show retrospective. An iconic throwback that became pop-culture shorthand for bureaucratic authority taken to its most absurd conclusion.

Frank Costanza's self-defeating relaxation technique, yelled at the top of his lungs whenever his blood pressure hits the roof.

Jerry and George's panicked reflexive disclaimer after an NYU reporter mistakenly outs them as a couple — deployed over and over throughout the episode.

George's anguished defense of the shrinkage phenomenon — a callback in the Season 9 clip-show retrospective to one of the show's most-quoted moments.

Kramer rehearsing his one line for Woody Allen's film in the apartment — trying deliveries out on the gang before the big day.

The phrase that powered The Contest — Jerry, George, Elaine, and Kramer's bet over who can hold out the longest. Pure coded innuendo turned permanent slang.

Jerry's seething-through-clenched-teeth greeting to his nemesis across the hall — the definitive two-word character introduction in sitcom history.

The opening line of George's marine biologist monologue — widely regarded as peak George. A hero of the beach, just for one afternoon.

Kramer's gleeful declaration during Frank Costanza's airing-of-grievances holiday — delivered with the conviction of a man who has fully embraced the anti-commercial anti-holiday.

George's painstakingly-rehearsed comeback, delivered weeks too late and to the wrong audience. The definitive sitcom monument to esprit de l'escalier.

Elaine's two-handed chest shove paired with a disbelieving shout — her physical signature beat, deployed whenever news is too juicy to process verbally.

Elaine's matter-of-fact confession that every one of their romantic interludes was a performance — delivered with the stoic certainty of someone reading off an itinerary.