のぼりさん
onoborisan

Noun

1. countryside people (in town); visitor from the country; out-of-towner; country bumpkin (visiting the big city); yokel

Usually Written in Kana
すこし 吉祥 きちじょう、おのぼりさん丸出 まるだしだぞ。
sukoshi ochitsuke kisshō onoborisan marudashidazo.
Calm down a little, Kissho, your bumpkin nature is standing out!