Green’s Dictionary of Slang

fuckwit n.

1. (orig. Aus.) a general term of derision.

[Aus]A. Buzo et al. Four Aus. Plays 89: Ooh, temper! Well, ta-ta for now, fuckwit.
[Aus]D. Maitland Breaking Out 63: The lamebrained racist fuckwit had articulated something unspeakable.
[NZ]H. Beaton Outside In Act II: sandy: You’re a fucken cunt! kate: You’re a fuckwit – sandy: You’re jealous!
[UK]I. Welsh Filth 39: The fuckwit pockets the coins and speeds off.
[UK]N. Griffiths Grits 468: Down’t ya hate fuckwits oo say ‘I’m afraid’ as they deny ya sammink?
[UK]J. Joso Soothing Music for Stray Cats 15: So there he was, in a hole, with an a-hole job, in some fuck-wit city.
[Aus] F. McCarthy ‘Some Protection’ in Crime Factory: Hard Labour [ebook] Mac doing the Bay [...] In jail he’d had a few blues, taking on fat fuckwit bikies.

2. (also F-wit) a fool; thus fuckwit, adj., stupid, foolish .

[Aus]A. Buzo Front Room Boys 89: Ooh, temper! Well, ta-ta for now, fuckwit.
[Aus]J. Hibberd A Stretch of the Imagination (2000) 140: You two-timing, fuck-witted mongrel of a slut!
Woroni (Canberra) 30 Jun 2/2: As a fuckwit forester I support Malcolm Colton’s contention that the foresters are a group of intellectual morons who gain security from their mob existence, which is a direct result of the hostility shown them by the rest of the campus.
[Aus]Adamson & Hanford Zimmer’s Essay 77: A new screw, a fuckwit, thought he saw something pass between the two prisoners.
Ribald (Sydney) 13 Nov. 7/2: I say piss him off and other foreign fuckwits.
[Aus]D. Maitland Breaking Out 169: You are a bloody [...] fuck-witted [...] fart-faced flip of a fucking galah!
Meanjin (Melbourne) xxxviii 464: It sounded like a load of fuck-wit shit to me.
B. Reed ‘Messman on C.E.’s Altar’ in Passing Strange (2015) 25: Thousands caught in the [...] traffic jam for hours [...] would’ve given their eyeteeth to get that fuckwit said to have started it all.
[UK]Guardian G2 30 Sept. 22: You’re dull as shit, you’re a fuckwit.
[UK]N. Barlay Hooky Gear 59: Few secs later I’m starin like a fuckwit at the stains on the bar.
[US]C. Hiaasen Skinny Dip 209: I told you he was a fuckwit.
[Aus]P. Temple Broken Shore (2007) [ebook] Lots of fuckwits but ... I don’t know. It didn’t feel like a job.
[UK]N. ‘Razor’ Smith Raiders 120: Being a fuckwit, he had stashed it [i.e. the escape kit] all under his bed.
[UK]J.J. Connolly Viva La Madness 11: Some guys don’t really mind indulging fuckwits.
[Aus] F. McCarthy ‘Some Protection’ in Crime Factory: Hard Labour [ebook] F-wits probably switched to the wrong channel.
[UK]V. McDermid Out of Bounds (2017) 217: ‘You naive fuckwit!’.

In derivatives

fuckwittage (n.)

stupidity, foolishness.

M. Latham Latham Diaries 197: Albrechtsen is the worst of them - she complains about my language, but she uses terms like ‘fuck-wittage’ in her columns.
fuckwitted (adj.)

(Aus./N.Z.) stupid, foolish.

Woroni (Canberra) 20 Sept. 6/3: Of course there is no question of attacking Joseph for being a right wing lunatic if he was really dangerous he would not stand on such a fuck-witted policy.
[Aus]D. Williamson What If You Died Tomorrow (1977) I i: That fuckwitted agent of yours is really driving me right off my brain.
[NZ]McGill Dict. of Kiwi Sl. 46/2: fuckwit a fool. – fuckwitted very foolish.
M. Latham Latham Diaries 108: ‘This was one of the more fuckwitted things I have ever heard’.
fuckwittery (n.)

stupidity, foolishness.

[UK]I. Rankin Fleshmarket Close (2005) 189: Bunch of brain-dead fuckwits [...] How the hell are we supposed to help them when they’ve got gold medals in fuckwittery.
M. Moran Twitter 9 Jan. [Internet] Sarah Palin's ‘hitlist’ - subliminal programming of potential assassins? Or just her usual fuckwittery?
fuckwittism (n.)

(Aus.) stupidity, foolishness.

[Aus]Tharunka (Sydney) 8 Nov. 28/2: xit God in chauffeur driven car, all fucking smiles, past rows of idiots with twenty metre grins of blessed fuckwitism on their fucking faces, waving flowers, singing hymns .