(as) common as dirt

(as) common as dirt

Lacking in manners or refinement. I can't believe he just put his elbows on the dinner table like that. Why, he must be as common as dirt! Everyone thinks I'm common as dirt just because of the way I talk. Why on earth did you invite men who are common as dirt to such a fancy event?
See also: common, dirt
Farlex Dictionary of Idioms. © 2022 Farlex, Inc, all rights reserved.
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