Simpsons non-recurring-character lines

We’ve had several recent CS threads on favorite lines spoken on The Simpsons by Homer, Bart, Marge and Lisa. But some of the most memorable lines in the show were not spoken by any recurring character. Here’s one to get us started: When Lisa is assigned to babysit Bart, and he retaliates with prank calls, etc., and then falls down the stairs and hurts himself, Lisa calls 911:

Lisa: "Hello, this is the Simpson residence . . . "

Operator: “Simpson? Oh, no! We’ve already been out there tonight for an emergency sisterectomy, a case of terminal buttrot, and a leprechaun fight! How dumb do you think we are?”

In the Mel Gibson episode, when Mel submits his remake of Mr. Smith Goes to Washington (with much bloody carnage added on Homer’s advice) to the studio brass:

Exec: “This film is AWFUL! It’s worse than Godfather 3!
Mel: “Whoa! Let’s not say stuff we can’t take back.”
Exec: “Alright, I’m sorry.”

One of my all-time favorite lines is by the German guy at “Fourth Reich Motors” when Lisa points out that their crash-test footage isn’t using real dummies:

“This exhibit is closed.”

Duh-nuh-nuh-nuh-nuh-nuh-nuh-nuh duh-nuh-nuh-nuh-nuh-nuh-nuh-nuh LEADER!

If you like to watch your tv, and I mean really watch it…

“I had a strooooooke!

I enjoyed the line from the enviro-hunk Lisa was so stricken with when she was trying to save the tree:

To the Beemobile!

In one of the Treehouse of Horror episodes where Monty Burns is a vampire:

Lisa: Dad! Bart is a vampire!

Homer: Oh Lisa. You and your stories. Bart is a vampire. Beer kills brain cells. Now let’s go back to that building… thingy… where our beds and TV… is.

Damn, I just realized the topic title said non-recurring. Please forgive…

Do they mean non-recurring lines or non-recurring characters?

How about the clerk attending to Comic Book Guy at the store.

CBG: I’d like to return this quote unquote one-size-fits-all Star Trek Utility Belt.

Clerk: What seems to be the problem, quote-unquote sir?

Lisa was taking dance lessons, but was no good, and used Professor Frink’s mechanical dancing shoes during a recital. Lisa’s instructor (a former Shirley Temple-like child star whose character name escapes me) found out and uttered:

“I’m ever so pissed!”

Ranchoth - I was going to say that!!!

'Mrs Pommelhorse! Can I get down now? - Small child hanging precariously from a very high bar in a deserted gymnasium

I always had something of a soft spot for the eastern-european gymnastics coach, Lugash.

Lugash : How old are you, sweetie?
Lisa : Eight
Lugash : Too old! Go home, grandma!
[Other chidren giggle]
Lugash : No giggling! It veakens ze haunches!

The name might be Little Vicky: Come on now, turn that frown upside down!!! That’s a SMILE not an upside down frown!

Hippie at the recycling place:

"Sounds like you’re livin’ for your car, man. Simplify. SIMPLIFY!

TV spokesmen: “Fox is experiencing technical difficulties at this moment. Please do not talk to family members or loved ones. Do not attempt any sexual relations for years of radiation has left your genitals withered and useless.”

Wiggum pulls up covers and looks down: “Well, I’ll be”

Jimmy: What’s gonna happen to him?
Mechanic: Remember that Oldsmobile we just couldn’t fix?
Jimmy: We’re gonna sell him to Mr. Stefanopolos?
Mechanic: You’re a dull boy Jimmy.

“Um, yeah, anyone wanna trade seats?” - the guy sitting next to Leonard Nemoy on the monorail.

You mean your Chevy?

…Yeah.

Homer: I’d kill you if I had my gun.

Gun Shop Owner: Yeah, well you don’t.