hayseed

Short definition from Wiktionary

Noun

1. 1
   Seeds from grass that has become hay.
2. 2
   Cruft from bits of hay that sticks to clothing, etc.
3. 3
   A rustic person; a yokel or bumpkin.

Adjective

1. 1
   Characteristic of or befitting a hayseed (person); rustic, uncultivated, backwater.