the lowest common denominator

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the lowest common denominator

The portion of society that is the least sophisticated or has the lowest level of taste. The phrase is often used when referring to the market for what one perceives as a tacky product or a base form of entertainment. I want to go see a movie, but everything in the theater is for the lowest common denominator. Don't they make films for people who think anymore?
See also: common, denominator, low