blockheaded, adj. — Green’s Dictionary of Slang

blockheaded adj.

also blockheadly, chunk-headed

stupid.

1551		T. More Utopia II (1624) 96: But now most blockheaded asses be set to learning.
1576		U. Fulwell Art of Flattery 2nd dialogue 6: I haue been a block-hedly schollar all daies of my life.
1593		‘Philip Foulface’ Bacchus’ Bountie in Harleian Misc. II (1809) 306: With him came the blockheaded Baltronus [...] and that old huddle and twang Aristodemus.
1669		R. L’Estrange Fables of Aesop CXLIII 145: Well (says a Blockheaded Boy) These are Villanous Creatures sure, to Sing when their Houses are a-fire.
1688		Shadwell Squire of Alsatia [dramatis personae] Captain Hackum. Mr. Bright. A Block-headed Bully of Alsatia; a cowardly, impudent, blustring fellow.
1673		T. Shadwell Epsom Wells II i: I believe there is no Village but sins as much [...] only your Country sins are something the more block-headed sins.
1707		Humours of a Coffee-House 20 Aug. 8: I should have been at least Twenty Lines to the poorer for him, and that’s no small loss to a Poet in such a Blockheadly Age.
1747		Letter from a Friend in Jamaica 6: He is a monstrous absurd Fellow, by G-d; a busy, bustling, blockheaded Booby.
1815		T. Whittell ‘A Song’ Poetical Works 159: She’s a dull blockheaded jade.
1912		H.S. Truman letter 30 Jan. in Ferrell Dear Bess (1983) 70: You ought to see me teach blockheaded Masons how to talk.
1917		E. Pound letter Sept. in Paige (1971) 122: They are neither of them stupid, blockheaded as F--- and Lawrence are stupid and blockheaded.
1932		E. Pound letter 18 Feb. in Paige (1971) 239: An endeavour to communicate with a blockheaded epoch.
1958		E. Dundy Dud Avocado (1960) 221: I had some crazy idea of expiating my block-headedness once and for all by ‘going through with it’. It would teach me the lesson of my lifetime.
1959		G. Hamilton Summer Glare 192: Dookie’s yer sister, yewr big block-headed bastard.
1960		J. Boswell Ernie and the Rest of Us 140: Ernie the feudal baron, with his chunk-headed serfs!
1970		‘Red’ Rudensky Gonif 97: Only a block-headed Irishman wouldn’t recognize the value of surprise.
1987		(con. 1967) Bunch & Cole Reckoning for Kings (1989) 65: Taliaferro, being the blockheaded son of a bitch he was, still wasn’t tracking.
2001		Week (US) 8 June 25: This ‘blockheaded, hollow-hearted industrial enterprise’ of a movie.