guinea pig director

English

Noun

guinea pig director (plural guinea pig directors)

1. (dated, colloquial) A company director (usually one holding a number of directorships) who serves merely or mainly for the fee (in England, often a guinea) paid for attendance.
   • 1858 May 8, Herapath's Railway Journal, page 491:

     We wish all men were equally conscientious, and we should get rid of that useless animal, the guinea-pig Director—a greater abomination to good management than which does not exist.