Quotes from
Sweet Home Alabama
Warning: contains bad words

The original quote, with slang   What does it mean?
Kate Hennings: Why don't you go back to your double-wide and fry something?

Kate Hennings: Why don't you go back to your double-size mobile home and fry something?

These are both negative stereotypes of Southerners - that they live in mobile homes (which are much cheaper than ordinary homes) and that everything they eat is fried.

Melanie: You dumb stubborn redneck hick.
 
Melanie: You dumb stubborn, bigoted Southern person from the unsophisticated countryside.
Jake: Can I help you?
Melanie: Well, for starters, you can get your stubborn ass down here and give me a divorce.
Jake: Are you shittin' me?
Melanie: I never fully understood that expression, but no, I am not "shitting" you.
Jake: Can I help you?
Melanie: Well, to begin with, you can get your stubborn self down here and give me a divorce.
Jake: Are you kidding me?
Melanie: I never fully understood that expression, but no, I am not "kidding" you.
Jake: The only reason I ain't signing is cause you've turned into some hoity toity Yankee bitch and I'd like nothing more than to piss you off!! Jake: The only reason I'm not signing is because you've turned into some snobbish and unpleasant Northern woman and I'd really like to annoy you!!