The rich old uncle to whom I was presented did not have the appearance of a hayseed.
I allow you to—er—ornament my tree, and 'tain't every hayseed I'd let do that.'
"I won't take no slack from no old Wabash hayseed like you," responded the teamster cordially.
An' no jollyin' nor green money would change that hayseed's mind.
He had, as sailors say, 'hayseed in his hair' and knew nothing about a ship.
He lives on hayseed,—everywhere he's found, But in the country he does most abound.
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+)