The rich old uncle to whom I was presented did not have the appearance of a hayseed.
He lives on hayseed,—everywhere he's found, But in the country he does most abound.
"I won't take no slack from no old Wabash hayseed like you," responded the teamster cordially.
I allow you to—er—ornament my tree, and 'tain't every hayseed I'd let do that.'
He had, as sailors say, 'hayseed in his hair' and knew nothing about a ship.
An' no jollyin' nor green money would change that hayseed's mind.
When Tom Parsons went to Randall he was looked upon as a mere country lad, a hayseed.
We did not care for sight-seeing, and the pastimes of the hayseed mind.
Tom Parsons, a "hayseed," makes good on the scrub team of Randall College.
There was no hayseed in his brain; there were no flies on his intellect.
1570s in the literal sense of "grass seed shaken out of hay," from hay + seed (n.). In U.S. slang sense of "comical rustic" it dates from 1875. To have hayseed in (one's) hair was a common mid-19c. way in U.S. to indicate a country person.
The opinion of the court was delivered by Justice Hunt; the chief justice, in whose hair the Ohio hayseed still lingers, delivering a dissenting opinion (etc.) ["The Chronicle," New York, Nov. 12, 1874]
Rural; provincial: The bad actors perform worse plays in hayseed theaters
(also hayseeder)A farmer; country person: There's still a lot of hayseed in Senator Chance (1888+)