Groundskeeper Willie: Yeah, I bought your mutt, and I 'ate him. I 'ate his little face. I 'ate his guts. And I 'ate the way he's always barking, so I gave him to the church.
Bart: Oh, I see. You hate him, so you gave him to the church.
Groundskeeper Willie: Aye, I also 'ate the mess he left on me rug.
[Two bandits have stolen the grease Homer is collecting to sell]
Homer: Hey, hey, you're taking our grease!
Grease Bandit #1: It's our grease now. [Takes away Homer's shovel and hits him over the head with it.]
Homer: Daaah!
Grease Bandit #2: We run the grease racket in this town.
Homer: Hey, that's my shovel.
Grease Bandit #1: We also run the shovel racket.
Lisa's Date with Density - S8-E7
Mr. Largo: Miss Simpson, do you find something funny about the word "tromboner?"
The Springfield Files - S8-E10
Leonard Nimoy: The following tale of alien encounters is true. And by true, I mean false. It's all lies. But they're entertaining lies. And in the end, isn't that the real truth? The answer is no.
Marge vs. the Monorail - S4-E12
Leonard Nimoy: I'd say this vessel could do at least warp five.
Mayor Quimby: And let me say, may the Force be with you.
Leonard Nimoy: Do you even know who I am?
Mayor Quimby: I think I do. Weren't you one of the Little Rascals?
The Wettest Stories Ever Told - S17-E18
Flanders: We Puritans have no place for drunkenness, or colorful clothes, or dreaming or poetry. So if you write a sonnet, keep it under your bonnet. Oh no! That was a poem. [Flogs himself].
Springfield Connection - S6-E23
[Hans Moleman is about to be executed and Homer has eaten his last meal.]
Reverend Lovejoy: Alright Hans, time to go.
Hans Moleman: But he ate my last meal.
Reverend Lovejoy: If that's the worst thing that happens to you today, consider yourself lucky.
Hans Moleman: Are you really allowed to execute people in a local jail?
Reverend Lovejoy: From this point on, no talking.
Tree House of Horror III: The Simpson's Halloween Special III - S4-E5
[Every character is throwing something into a bottomless pit.]
Homer: [Throws in evil Krusty doll] Goodbye dolly.
Italian Mobster: [Throws in dead body] Arrivederci, Vito.
Man: I was a fool to think anyone would want nude photos of Whoopi Goldberg. [Throws them into the pit, the pit throws them back out] What the?
Answer: Willy referred to an encounter he believed he had with actual aliens, while Wiggum thought he was referring to the arcade game.