i-adjective
uncool; tacky; unsophisticated; provincial
Colloquial adjective describing someone or something as unstylish, rustic, or lacking urban polish. Often used for fashion, behavior, or appearance that seems out of touch with city trends. The nuance is mildly derogatory but not extremely harsh.
あの服、ちょっと芋っぽくない?
Those clothes are a bit tacky, don't you think?
彼の話し方はなんか芋っぽい感じがする。
His way of speaking feels kind of provincial.