Green’s Dictionary of Slang

midnight adj.

[midnight (the cat) n.]

(US) of people, black.

[US]‘Edmund Kirke’ Down in Tennessee 112: ‘Nigger kentries, Mr. Midnight,’ replied Tom promptly.
[US]J. Harrison ‘Negro English’ in Anglia VII 262: Er little chunk er midnight = a coal-black negro.
[US]T.A. Dorgan in Zwilling TAD Lex. 117: [caption of panel showing two black women]: Midnight Blondes.
A. Buzo Norm & Ahmed (1973) 17: You haven’t got a really dark skin, have you? [...] they’d never call you ‘Mr. Midnight,’ would they?

In compounds

SE in slang uses

In compounds

midnight alarm (n.)

(US short order) coffee.

[US]Times (Wash., DC) 28 Apr. 4/6: Coffee: ‘A midnight alarm’.
midnight cowboy (n.) [film title Midnight Cowboy (1969)]

1. (US) a male prostitute, esp. when posing as a ‘cowboy’.

[US]B. Rodgers Queens’ Vernacular 136: A model acting out the cowboy theme is a midnight cowboy.
[US]L. Dills CB Slanguage.
[US]Maledicta III:2 223: Five and two (five pounds or dollars for the services of a UK rent boy or US hustling midnight cowboy, plus two for the room) is pre-inflationary.
[US]Maledicta IX 144: They joke about themselves as crack salesmen, dealers in sporting goods, Circus cowboys (U.S. midnight cowboys), and faggot workers.

2. (Aus.) a man who goes to a male prostitute.

[Aus]A. Weller Day of the Dog 18: Floyd’s cousin has become a homosexual and was getting two hundred dollars a go from old midnight cowboys in the Hay Street mall.
midnight express (n.) (also midnight mystery tour)

(Aus. prison) the sudden night-time transfer of a convict.

[Aus]Tupper & Wortley Aus. Prison Sl. Gloss. 🌐 Midnight Express. Sudden transfer of a prisoner at night [...] Midnight mystery tour. A transfer at night.
midnight oil (n.) [play on phr. burning the midnight oil]

(drugs) opium.

[US]Monteleone Criminal Sl. (rev. edn) 39: burn the midnight oil To smoke opium.
[US]Anslinger & Tompkins Traffic In Narcotics 312: midnight oil. Opium.
[US]J.E. Schmidt Narcotics Lingo and Lore 110: Midnight oil – Opium or its derivatives. Midnight-oil burner – A smoker-addict of the opium pipe. Midnight oil, burning the – Addicted to opium.
[US]ONDCP Street Terms 15: Midnight oil — Opium.
Midnight Revue (n.)

(US gang) a prostitute hired by a group of young boys; thus the act of group sex.

[US]‘Hal Ellson’ Duke 61: It was the Midnight Revue. Everybody plays jam in that park, gets their trim. We got on her. Seven of us.
[US]W. Brown Monkey On My Back (1954) 107: His sexual activity had begun at the age of thirteen, when, with a group of other boys he had ‘pulled a Midnight Revue.’ [...] It was like this. A whole gang of guys got together and each one chipped in maybe a quarter or half a buck and they hired a trim for the night. Then each guy took turns while the others watched.
[US]‘Vin Packer’ Young and Violent 24: There’ll be a midnight revue on Tuesday [...] it’ll cost you two skins.
[US]W. Brown Girls on the Rampage 116: At the very bottom of the scale [of prostitution] are the girls who make themselves available for ‘line-ups’ or ‘Midnight Revues’ favored by the roughest of the teen-age gangs.
midnight talk (n.)

(Aus. prison) the beating of a prisoner by officers.

[Aus]Tupper & Wortley Aus. Prison Sl. Gloss. 🌐 Midnight talk. 1. Summary ‘justice’, ie a thrashing from correctional staff.