Wait! I need closure on that anecdote.

Squeaky-Voiced Teen

Homer: (playing poker, gagging and coughing up poker chips) Ew! Don't try to eat these so called "chips".
Moe: Are you gonna take some cards, or not?
Homer: Oh...yeah.
(takes four cards)
Homer: D'oh! D'oh! D'oh! D'oh! Er, I mean, "woo hoo".
Moe: I'm in.
Homer: Aww, I was bluffing.
(lays out cards)
Moe: Ha, ha, ha! Come to papa!
(takes chips and looks at cards)
Moe: What? You have a straight flush, Homer! Ya do this every time! Arrrgh-eeengh-gah! Choking on my own rage here!

Smithers: Mr. Simpson, are you listening? (Homer eats an orange) Simpson?!
Homer: Huh? Yeah, I was listening. Very funny.
Moe: Oh, you were not! You were just eating a damn orange.
Homer: Well, yes, yes, to the untrained eye, I'm eating an orange, not to the eye that has brains; I'm making a point about marriage! For you see, marriage is a lot like an orange. First, you have the skin...then the sweet, sweet innards... (devours it)

Groundskeeper Willy: If I wanted to see a man eat an orange, I'd have taken the orange eating class.
(cut to orange eating class)
Moleman: The eating of a good orange is a lot like a successful marriage.
Grampa: Just eat the damn orange!

(After an insect falls out of his hair) You think you get them all, but you forget about the eggs.

Otto

Moe: Hey Homer, why don't you nibble her elbow...that always melts her butter, heh heh.
Marge: Get out! Everyone get out now!
Apu: Ooooh, she's got to have it!

Lisa: Will you be lecturing from a standardized text or using the more Socratic method of interactive class participation?
Homer: Yes, Lisa. Daddy's a teacher.

If he can teach a class, then he can teach a class! I mean, I can teach a class!

Homer

Homer: Okay, brain. If we don't think of something, Marge will leave us forever!
Homer's Brain: Eat the pudding, eat the pudding, eat the pudding, eat the pudding, eat the pudding...
Homer: Well, alright. But then we gotta get to work. (starts eating the pudding)

Homer: Look Marge, you don't know what it's like - I'm the one out there every day putting his ass on the line. And I'm not out of order! You're out of order! The whole freaking system is out of order! You want the truth? You want the truth? You can't handle the truth! 'Cause when you reach over and put your hand into a pile of goo that was your best friend's face, you'll know what to do!! Forget it Marge, it's Chinatown!!!
Marge: Homer, don't ever tell them personal stuff about me again!!
Homer (sheepishly): Yes ma'am.

Well, let's just call them... uh, 'Mr. X' and 'Mrs. Y'. So anyway, Mr. X would say, "Marge, if this doesn't get your motor running, my name isn't Homer J. Simpson!"

Homer

Annex Manager: We need someone to teach a course on how to build a successful marriage.
Homer: I'll do it! Anything to get me out of that house, away from all that nagging, and noise... uh, of a family of love. Tra-la-la-la!

The Simpsons Season 5 Quotes

Homer: (Wearing glasses) The sum of the square roots of any two sides of an isosceles triangle is equal to the square root of the remaining side!
Man: (From inside a bathroom stall.) That's a right triangle, you idiot!
Homer: D'oh!

Homer: Aw, twenty dollars? I wanted a peanut!
Homer's Brain: Twenty dollars can buy many peanuts.
Homer: Explain how!
Homer's Brain: Money can be exchanged for goods and services.