guinea pig

In real, traceable use. Part of the curated seed collection; community review is coming.

Meaning · English

A professional company director, without time or real qualifications for the duties.

Register: dated, slang

Where it’s used: Used American English
Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).

Common questions

What does “guinea pig” mean?

A professional company director, without time or real qualifications for the duties.

Is “guinea pig” formal or informal?

guinea pig is generally dated, slang.