Nobody says "Joisey". Stop.
I've heard it before and it's usually people from Jersey City/Newark.
I've never heard anyone drop the r from Jersey and I don't think there's a distinct Jersey City or Newark dialect unless you mean there's a black dialect.
But, as to the question, Chris Christie had his stomach stapled so that ought to DQ him from eating contests. Also, maybe give Bushie a break about his weight/food addiction. You can really hurt people's feelings when you joke about that stuff.
Thanks, bedstuy, but I'm used to it. Simmy is right, though, I talk about it so I kind of open the door.