- A person or thing used as the subject of an experiment, test, trial, or new procedure.
- Often implies that the thing being tested is unproven or carries some risk.
Explanation
Origin
- Actual guinea pigs (the rodent species Cavia porcellus) have historically been common laboratory animals used for scientific experiments and testing.
- The term was transferred metaphorically to humans undergoing testing or being the first to try something new and potentially risky, starting around the early 20th century.
Synonyms & Related Expressions
Alternatives
Slang/Informal:
- Lab rat
- Crash test dummy (esp. if risk is involved)
- Tester
- Beta tester
Vulgar/Emphatic:
- The poor fucker they tried it on first (crude)
Milder/Formal:
- Test subject
- Trial participant
- Research volunteer
- Pilot participant / Pilot group
- Early adopter
- Subject of experimentation
Situational Appropriateness
- Informal to semi-formal.
- Can sometimes sound slightly negative, implying risk or lack of choice for the subject.
- In formal scientific or medical contexts, participant, subject, or volunteer are preferred.
Misunderstanding Warnings
- Learners might not know the connection between the animal and laboratory testing. Once that link is understood, the metaphorical meaning is usually clear.
Examples
- The first patients in the drug trial were the guinea pigs for the new medication.
- I don't want to be the guinea pig for the untested beta software.
- Our department is acting as the guinea pig for the company's new workflow system.
Dialogue
Manager: We're rolling out the new expense reporting software to your team first to test it.
Employee: So, we're the guinea pigs, huh?
Manager: (Smiling) Essentially, yes. Please provide lots of feedback so we can fix any issues before the company-wide launch.
Employee: Alright, will do. Hopefully, it's not too buggy!
Social Media Examples
- Tweet: Signed up to be a guinea pig for a university psychology study. Should be interesting! #research #psychology
- Facebook status: My office is the guinea pig for the new open-plan layout. Send noise-canceling headphones! #worklife #office
- Tech forum comment: Anyone else acting as a guinea pig for the latest OS beta? Found some weird bugs... #beta #testing
Response Patterns
- Curiosity: Oh really? How did it go? / What are they testing?
- Apprehension/Sympathy: Ooh, rather you than me! / Be careful! / Are you okay with being the guinea pig?
- Refusal (if asked to be one): No thanks, I'm not being the guinea pig!
- Acknowledgment: Yeah, someone has to be the guinea pig, I guess.
Common Follow-up Questions/Actions
- Asking about the nature and purpose of the test/experiment.
- Discussing the potential risks or benefits.
- Inquiring about the results or experience of being the test subject.
- Expressing willingness or reluctance to participate.
Conversation Starter
- No. Used to describe the role of someone or something within a specific testing or experimental context.
Intonation
- Stress usually on GUINEA pig. They used us as GUINEA PIGS.
- Can be said neutrally, with apprehension, or slightly humorously depending on the context.
Generation Differences
- Widely understood by all generations.
Regional Variations
- Common in all English-speaking regions.