boondocks and boonies
n. an isolated area; an area of wild terrain; suburbs distant from a city. (From the word for mountain in the Tagalog language. Since World War II.)The weather out in the boonies looks cold and dry.I don't want to be stuck out in the boondocks!
cornfed
mod. rural; backwards; unsophisticated.I enjoy her honest, cornfed humor.Jed is a homey, cornfed kind of guy. Don't know anybody who bears him any ill will.
corny
mod. having to do with simpleminded, overdrawn humor.This corny dialog has to be revised before I'll act in this play.Don't be corny. This is serious.
jerkwater
mod. backwoodsy; insignificant.I'm from a little jerkwater town in the Midwest.He's sort of the jerkwater type.
local yokel
n. a local resident of a rural place. (Mildly derogatory.)One of the local yokels helped me change the tire.The local yokels all listen to the same radio station.
Podunk
mod. rural and backward. (Usually podunk.)I want out of this Podunk town.This podunk place is driving me crazy.