内股膏薬 うちまたこうやく Also written うちまたごうやく Meanings Noun double-dealer; fence-sitter; timeserver; moving back and forth between two sides in a conflict; duplicity; turncoat Kanji 内 inside. Read as うち. 股 crotch. Read as また. 膏 fat; grease; lard. Read as コウ. 薬 drug. Read as ヤク. Word lists Yojijukugo (四字熟語) Jinuma: Japanese Dictionary · Word lists