股座またぐら膏ごう薬やく

noun

double-dealer; timeserver; someone who switches sides opportunistically

Rare figurative term; literally 'crotch plaster', evoking the image of a plaster that can stick to either thigh, i.e., someone who shifts allegiance for convenience. Compare 内股膏薬.

See also: 内股膏薬

• あの政せい治じ家かは股座またぐら膏薬ごうやくのような奴やつだ。

  That politician is a double-dealer who switches sides whenever it suits him.

• 「股座またぐら膏薬ごうやく」は、どっちつかずの態たい度どを批ひ判はんするときに使つかわれる古ふるい言いい回まわしだ。

  The term 股座膏薬 is an old expression used to criticize someone who won't commit to one side.