# Pepsi Challenge

> English word · Noun

## Definitions
1. A comparison between two unlabelled products.

## Etymology
Derived from marketing promotion by Pepsi, introduced in 1975, in which consumers taste one unlabelled cup of Pepsi and one of Coca-Cola and select which drink they prefer.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/pepsi-challenge