Green’s Dictionary of Slang

1. (US, also tuck) a dinner jacket.

1919		Van Loan ‘His Own Stuff’ in Score by Innings (2004) 384: ‘How about a “tux”?’ ‘Absolutely barred. A tuxedo isn’t formal.’.
1922		S. Lewis Babbitt (1974) 14: Georgie, I do wish you wouldn’t say ‘Tux.’ It’s ‘dinner-jacket.’.
1930		J. Lait Gangster Girl 27: By the way you don’t look bad in that tux.
1931		P. Stevenson Gospel According to St Luke’s 253: Don’t you have to wear a tuck in those places?
1947		B. Stiles Serenade to the Big Bird 93: It was the first time I ever jacked myself into a Tux.
1953		L. Durst Jives of Dr. Hepcat (1989) 1: Now we have some people of class visiting your city and you want to take them to hear one of the country’s leading orchestras. You want everyone to put on their tuxs and visit the outstanding night spot.
1961		H. Ellison Rockabilly (1963) 70: He changed out of the charcoal brown business suit into a tux.
1971		N. Smith Gumshoe (1998) 12: I’m just doing the bingo calling at the moment, slip in a few gags here and there, I get to wear a tux.
1988		D. Woodrell Muscle for the Wing 145: Shade had been put into a tux as a groomsman.
1999		Observer Mag. 5 Dec. 19: Looking swell in a white tux.
2000		Guardian Rev. 1 Apr. 1: Cheap tux shirts, black bow ties, red cartoon suspenders.
2009		L. McIlvanney All the Colours 252: [A] one-button tux.
2012		T.P. McCauley ‘Lady Madeline’s Dive’ in ThugLit Sept./Oct. [ebook] The other two in the tuxes weren’t so smart.
2016		Guardian G2 5 Apr. 2/4: Both liked a tux.
2023		R. Milward Man-Eating Typewriter 106: Her pressed blank tux.

2. (US Und.) a straitjacket.

1949

Monteleone Criminal Sl. (rev. edn).