My favourites

[Guest]

I have 3

Homer
"SWEET MERCIFUL CRAP!!!"

Willy
"I was wrestling wolves while you still suckling on your mama's teete"

and

Marge: "... and I'm afraid we'll smother him (Bart)"
Homer: "Yeah and then we'd get the chair."
Marge: "That's not what I meant Homer"
Homer: "It is Marge. Admit it"

 

[Guest]

 

[Tyrael]

I think the guest was aiming for the Simpson's favorite lines topic but missed.

 

[Todd-'o'-Vision]

thats what happens when you got two buttons to choose from