serve as a/(one's) guinea pig(redirected from serve as her guinea pigs)
serve as a/(one's) guinea pig
To act or function as the object of a test, experiment, or assessment. We'll have a limited release of the product and let this region serve as a guinea pig. If it is received well, we can expand production and distribution to the rest of the country. A: "I have a wild new dish I'd like you to try!" B: "No way! I have no interest in serving as your guinea pig again."
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.