Green’s Dictionary of Slang

duded up adj.

also dooded up, dudied up
[dude up under dude n.1 ]

(US) dressed up, esp. for a party or night out.

[US]B. Tarkington Gentleman from Indiana 240: It was a lady, [...] else why should Cale Parker be wearing a coat, and be otherwise dooded and fixed up beyond any wedding?
[US]H. Green Actors’ Boarding House (1906) 270: My, you’re all dudied up.
[US]R. Lardner ‘Alibi Ike’ in Coll. Short Stories (1941) 48: He was all duded up.
[US]R.L. Bellem ‘Focus on Death’ Hollywood Detective Jan. 🌐 All duded up in high heeled boots, Angora chaps, checkerboard shirt, and a ten-gallon Stetson.
[US]Reader’s Digest Dec. 150/1: All duded up like outlanders were Tildy, Hiram and the Kincaids [DA].
[US]E. Torres Carlito’s Way 955: They were all duded up in tuxedos and patent leather.
D. Sweetman Muse-Echo Blues 94: Everyone near was dressed to the nines; they all fell out in gladrags for the occasion — dandies duded up in big-knotted ties/chest protectors.
J. Philips You’ll Never Eat Lunch in this Town Again vi: There is something very silly about being all duded up at three o’clock in the afternoon, sitting in the back of a stretch limo.
[US]I.L. Allen City in Sl. (1995) 65: Men and women, and there is gender allusion in the terms, got togged-up (mid-nineteenth century), duded-up (late nineteenth century), (all) dolled-up (or -out) (turn of the century), or gussied-up (the late 1940s).
[US](con. 1940s–60s) Décharné Straight from the Fridge Dad.