Meet the Feebles (1989)

Trevor: I've heard better singing from a mongoose with throat cancer.

Trevor: All right, you fat slag! Move your ass.
Heidi: How dare you speak to me like that! You horrible, spiteful little rat.
Trevor: I've heard better singing from a mongoose with throat cancer.
Heidi: That's it, I've had enough! I am going straight to Bletch.

Heidi: Eat lead you man-stealing slut.

Sebastian: Heidi! You've been overeating again haven't you.
Heidi: Uh, no I haven't.
Sebastian: Then explain to me why there is black forest cherry cake I n your cleavage.

Warthog: This is a lovely golf course, I'm tempted to join the club meself.
Bletch: No chance of that I'm afraid, Cedric.
Warthog: You mean they discriminate against Scots?
Bletch: No, they just don't want assholes in the clubhouse.