What is Folksy?
1.
Simple and unpretentious in behavior; Characterized by informality and affability; Modest, low-key; Characteristic of country life.
ELAINE: Hey.
JERRY: Hey, remember Beth and David from yesterday? They got separated.
GEORGE: Really? {Realizes} Well, you don't think it had anything to do with what I said, do you?
JERRY: What'd you say?
GEORGE: You know, that, that thing about her being too good for him. I mean, I was just bein' folksy. They could tell I was just being folksy..?
ELAINE: Yeah, I thought you were being folksy.
GEORGE: Totally folksy.
See
2.
The politically correct term for "stupid bimbo".
Sarah Palin is folksy.
See