Wiktionary
n. (context idiomatic English) The collective group ("mass") of people who are considered by someone to be somehow uneducated, uninformed, or in some other way unqualified for inclusion in the speaker's elite circles.
Usage examples of "unwashed masses".
Axel saw the stewards look at each other and wink, laughing, sharing the joke, and he felt more sick than he had ever felt among the unwashed masses.
Merely the typical residue of that loathsome creature known to the unwashed masses as the Great Ogre of Grotum—.
Mostly package-tours for the Great Unwashed Masses down to the polluted Mediterranean.
I find a peculiar sort of glee in contemplating the fact that a universe I originally created in order to explore some of the alternate possibilities for The Big Issuesdemocracy, religious tolerance, that stuffhas expanded to include a veritable spaghetti bowl of personal stories that have absolutely no function or purpose than to examine the multitude of ways in which the unwashed masses get about their lives under the changing circumstances.
Let us not forget that, in the end, democracy is just a form of governmentand the only purpose of government (legitimate one, anyway) is to enable the unwashed masses to get about their lives with a minimum of grief and anxiety.
But even that is going to disappear when the great unwashed masses out there can point their own WormCams at whoever they want.
He believed that he knew all the tricks of plotting and the many uses of treacly sentimentality by which such hacks as Dickens manipulated the unwashed masses.
How much easier would life be on Earth if dne could ship out the unwashed masses to fend for themselves on new worlds with viceroys to skim the riches off the top.