Definition of "eye-opener" []

• An experience or event that reveals, enlightens, or informs; something that causes learning, revelation, realization, or increased awareness. (noun)
• An alcoholic beverage consumed first thing in the morning. A euphemism used by those offering or consuming alcohol in the morning. (noun)

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• "For the uninitiated, statistical analysis can be an eye-opener concerning the analysis of the efficacy of every paradigm."
• "The biggest eye-opener is the great room, which is about the same size as the combined eat-in kitchen and family room found in the typical 2,400-square-foot houses that have been a staple of American home building for the past 20 years."
• "I must admit that, while driving through Mexico City is always an adventure, I won´t miss that mid-trip eye-opener with its always lurking crooked cops."