Green’s Dictionary of Slang

beefhead n.

[-head sfx (1)]

1. a fool, a simpleton [backform. f. beefheaded ].

[UK]Lord Cavendish in Burke’s Correspondence (1844) II 86: The petition should be framed so as to draw off some of the beef-heads who are disposed against it .
[UK]Grose Classical Dict. of the Vulgar Tongue ms. additions n.p.: Beef Head a great Chuckle headed fellow.
[UK]Taunton Courier 28 July 3/1: Let but Mr Beefhead, the apoplectic flesher, rise to second a motion [etc.].
[UK]Sl. Dict.
[UK]Cornishman 4 Sept. 4/2: John Bull is again a Beefhead. For notonly have the lying Dutch and Germans crept back [etc.].
[UK]Guardian 23 Aug. 34/4: ‘Take that! You girl-stealing beefhead!’.

2. (US) a Texan, a cowboy.

Amer. Citizen (Butler, PA) 26 Sept. 2/4: Nicknames [...] Texas, beef-heads.
[US]Semi-Wkly Louisianan 31 Aug. 1/3: The Nicknames of the States [...] Rhode Island, gun flints; South Carolina, weasels; Tennessee, whelps; Texas, beefheads; Vermont, green mountain boys; Wisconsin, badgers.
Chicago Weekly News 29 Apr. 4/3: Texans [...] are Beef-Heads for some unknown reason [DA].
[US]Progressive Farmer (Winston, NC) 17 May 14/2: Texas. Beefheads.
[UK]J. Ware Passing Eng. of the Victorian Era 24/1: Beef-heads or Cow-boys (American). People of Texas and the West of U.S.A. — from the general employment of the inhabitants being the harrying of cattle.
[US]D. Shulman ‘Nicknames of States & Their Inhabitants’ in AS XXVII:3 183: Another variant is Beefheads for Texans.

3. (UK black) a skinhead, usu. synon. with a member of a right-wing/racist party.

[UK](con. 1981) A. Wheatle East of Acre Lane 23: If it was de beef’eads, you t’ink dey will try de same t’ing?

In derivatives

beefheaded (adj.)

stupid, foolish.

[Scot]Scots Mag. 4 Mar. 26/1: She has now ventured to tell him a little of her mind [...] ‘ignorant booby’, and ‘plumb-pudding’, ‘beef-headed puppy’ and ‘sneaking dog’ echo from room to room.
[UK] ‘Bold Irishman’ Collection of Eng. Ballads 91: A beef-headed butcher was then standing by.
[US]Wkly Rake (NY) 12 Nov. n.p.: the rake wants to know If the beef-headed blower [...] hadn’t better find some other employment than that of snooping into people’s drawers.
[UK]Gloucester Jrnl 6 Nov. 2/2: He was not such a beef-headed fool as Herbert.
[US] ‘The Blacksmith of the Mountain Pass’ in T.A. Burke Polly Peablossom’s Wedding 83: What’ll you do if I don’t whip you this time, you beef-headed disciple, you?
[Scot]Dundee Advertiser 23 Jan. 2/1: It was then [...] suggested that we were getting too beef-headed for any work requiring either energy or inventiveness.
[UK]Hotten Sl. Dict. 72: BEEF-HEADED, stupid.
[UK]Burnley Gaz. 28 Dec. 5/1: An extraordinary number of beef-headed gentlemen.
[UK]H. King Savage London 142: O, but he wur beef-headed. I’d have punched his canister, that I would, to drive some sense into it.
[Aus]Sydney Sl. Dict. (2 edn) 1: Beef-headed - Stupid, fat-headed, dull.
[UK]J. Greenwood Behind A Bus 11: I don’t believe that the wicked little flirt cared a bit for the butcher, but that beef-headed young fellow thought she did.
Bath Chronicle 29 Aug. 6/1: These admirable souls of old ‘spiritualise,’ electro-magnetically, their beef-headed followers.
[UK]J. Ware Passing Eng. of the Victorian Era 24/1: Beef-headed. Stupid.