口も八丁手も八丁 (くちもはっちょうてもはっちょう) Japanese meaning | KotomoraMeanings
1
expression, na-adjective, noun
both eloquent and skilled; good with words and with one's hands
idiomatic expression
Describes a person who is both a smooth talker and practically capable; often used with a nuance of admiration or slight irony.
あの営業マンは口も八丁手も八丁だから、契約を取るのがうまい。
That salesperson is good with words and with his hands, so he's great at closing deals.