Green’s Dictionary of Slang

limp-wristed adj.

also limp-wrist, weak-wristed, wristy
[limp wrist n.]

(orig. US) weak, effeminate, homosexual.

[US](con. WWII) J.O. Killens And Then We Heard The Thunder (1964) 479: You got me where you want me, you limp-wristed bastard.
[US]Baker et al. CUSS 219: Weak-wristed An effeminate male.
[US]A. Brooke Last Toke 171: You remember a limp-wristed fag propositioning you boys when you parked your car around the corner from Simon’s place?
[Aus]M.B. ‘Chopper’ Read Chopper From The Inside 65: The jail governors of today are a little limp-wristed when it comes to matters of violence.
[US]T. Fontana ‘Obituaries’ Oz ser. 4 ep. 2 [TV script] He’s a weak, limp-wristed liberal, and you’ve got to toss him out with the other garbage.
[UK]J. Hawes Dead Long Enough 40: They were Wristy Specky Swots. [Ibid.] 126: No we fucking haven’t, you wristy intellectual tosser.
[SA] in ‘Ben Trovato’ On the Run (2007) 16: Judges these days are a bunch of limp-wristed nancy boys .
[Aus]S. Maloney Sucked In 156: He was the hairy-arsed champion of the underdog. We were a cabal of limp-wristed pen-pushers.