Homer and Lisa walk into a New Age shop…
“do you have something to stop my daughter complaining?”
“What’s keeping Joan Rivers alive these days? Fetal grindings.”
A different episode:
Willie (startled by seeing Homer and Bart): Eee! I mean Aah! I mean… what are you doing here?!
Homer: Umm… we’re.. foreign exchange students from… Scotland.
Willie: I’m from Scotland! Where do ya hail from?
Homer: Uh, North… Kilt-town.
Willie: No foolin’? I’m from North Kilttown! Do ya know Angus McLeod?
Homer: Wait a minute! There’s no Angus McLeod in North Kilttown! You’re not from Scotland at all!
Willie: Ah, don’t be daft. I was born and raised in… [notices the vacuum sucking up the grease] MY RETIREMENT GREASE! NOOOOOOOOO!