In The Prompter; or Common Sayings, and Subjects, Which are Full of Common Sense, the Best Sense in the World, Noah Webster uses a collections of sayings, phrases, and proverbs to offer readers common sense advice.
One such phrase is "The Under-Lip." Throughout this passage, Webster writes about the incompetence of those with under-lips, warning readers against hiring or electing a person with an under-lip.