(About Homer) This man not only failed the aptitude test, he got trapped in a closet on the way out.

Smithers

(Homer and Marge are in the castle at the miniature golf course)
Homer: Someday I'll buy you a real castle.
Marge: Oh, you don't have to do that.
Homer: Whoo, good.

Lisa: It's not our fault our generation has short attention spans, Dad, we watch an appalling amount of TV.
Homer: Don't you ever, ever talk that way about television!

Selma: Marge, I've got two and a half words for you: Gulp N' Blow.

The Simpsons Season 3 Episode 12 Quotes

(After Homer rejects other names for boys based on rhyming nicknames)
Marge: What about Bart?
Homer: Let's see. Bart, dart, cart, e-art. Nope can't see any problems with that.
(Missing fart due to only 4 fingers)

Selma: Marge, I've got two and a half words for you: Gulp N' Blow.