phrases, sayings, idioms and expressions at

The Phrase Finder
Phrases, Sayings and Idioms Home > Discussion Forum

- We are also on

A Phrase A Week - Facebook Group & Follow aphraseaweek on Twitter

Re: Guinea Pig

Posted by Rats Berg on July 02, 2003

In Reply to: Re: Guinea Pig posted by Berg on July 02, 2003

: : To be a guinea pig or an experiment. Where does this phrase originate from? I have an international collegue that I was trying to describe the meaning but didn't know why we used the phrase.

: Guinea pigs are small mammals that are sometimes used in experiments.

(Initial missing from previous post. Must have hit Return while trying to change R to Rats, on a sudden silly impulse. Rats!)