Bumpkin (noun)

A country bumpkin; a rustic person; a simpleton.

Origin:

The word is of uncertain origin, but likely comes from the middle english word "bump", meaning a lump or protuberance on the body. it may also be related to the dutch word "bommekijn" meaning a little barrel or tub, and the german word "bumpf" meaning a thick-headed person.

Examples:

1. The city slicker couldn't believe how unsophisticated the bumpkins were.
2. Despite his rough exterior, he was nothing but a bumpkin at heart.
3. The city-bred visitors felt out of place among the bumpkins.
4. The bumpkins were easily taken in by the con artist's smooth talk.
5. He was a bumpkin who had never ventured beyond the boundaries of his small village.