Mine would have to be:
Stanley: It's next on my list.
Helen: What list, Stanley? Where is this marvelous list you keep talking about?
Stanley: In my head.
Helen: Must get very lonely in there.
Jack reads a note and thinks a nun has fallen for him. Larry knocks on Jack's door to pick him up to go to the movies.
Jack says loudly: "A NUN IS IN LOVE WITH ME!"
Larry: "Sounds kinky, where's it playing?"
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Ropers had some of the best lines.
Mrs. Roper: 'Not tonight. Not tonight.' That oughta be the title of my autobiography.
Mrs. Roper had the best lines:
"Oh Stanley"
"The only time Stanley makes a move is when we play chess"
"That's nice Jumbo"
"You will be lucky to run it in the street"
"He thinks Queen Victoria was a swinger"
"Can we skip to the and then part?"
"Like me and you, Stanley"
"Cheap Stanley! Cheap!"
"I'm not in the mood for Egg Mcmuffin"
"What kind of shells, Stanley? Blonde bombshells?"
"The man who built this building had no respect for this property"
"Its two piece and its horrible"