Green’s Dictionary of Slang

hayseed adj.

also hayseedy
[hayseed n.]

(Aus./US) rustic, unsophisticated.

[US]J. Hawthorne Confessions of Convict 70: He used to run a hayseed bank.
[Aus]Bulletin (Sydney) 7 Apr. 28/1: Dr. Todd [...] struck a real old hayseed jury in the inquest on Verdant Bolley, who died under operation at Sydney Hospital.
[US]‘Hugh McHugh’ Out for the Coin 20: Nix on the hayseed habitation.
[Aus]Sun. Times (Perth) 29 May 2nd sect. 10/5: Beside breaking down he broke several small punters oí the hayseed variety, who went for a good win on him at the Canning course.
[US]P. & T. Casey Gay-cat 39: Them hayseed bulls been thick as the fleas on Gay-cat hisself this day.
[UK]K. Mackenzie Living Rough 228: I was just coming into a little hayseed town.
[US]W. Winchell On Broadway 23 June [synd. col.] Beverly Smith (the ace scribe of his day) outfitted himelf in a ‘hayseedy’ suit.
[Aus]Horsham Times (Vic.) 4 Mar. 1/3: A ‘Hayseed’ Party [...] a distinctly rural atmosphere and with the particpants appropriately attired.
[US]S. Lewis World So Wide 184: Just a country babe! Say I’d hate to write to the registrar in whatever hayseed county you really come from and ask him your real birth date!
[US]H.S. Thompson Hell’s Angels (1967) 21: The idea, after all, is to reach the destination – not to lock horns with hayseed cops along the way.
[US]N. Thornburg Cutter and Bone (2001) 119: He had done his thing with the locals, whipping out the old aw-shucks routine as the visting hayseed tycoon.
[Aus]Aus. Women’s Wkly 6 Aug. 1445/1: [headline] Hazzard’s Hayseed Hero.
[Aus]R.G. Barrett White Shoes 73: I’d like to lay a big shit on each one of your pointy little hayseed Australian heads.
[Aus]J. Byrell Lairs, Urgers & Coat-Tuggers 150: [of a country-trained/reared racehorse] [H]e’d wanted to back some hayseed hay-pirate or other in the race on the bill for the country nags.
Online Sl. Dict. 🌐 hayseed adj 1. non urban, un-hip; BUMPKIN.
[US](con. 1963) L. Berney November Road 211: ‘The Hacienda. Hayseed heaven’.
[UK]J. Meades Empty Wigs (t/s) 175: [T]hese hayseed criminals, exemplary capitalists, had ruled the roost.