Green’s Dictionary of Slang

glass n.2

1. (US Und., also glassware) a diamond.

[UK]Marvel 12 Nov. 6: I don’t want the bits of glass.
[US]E.A. Clancy ‘Flies on the Ceiling’ in Detective-Dragnet May 🌐 I’m kinder curious to have a look at a dame what is so dumb as to let her new chauffeur hold two-hundred-thousand dollars worth of social glassware.
M. Fulcher ‘Believe Me’ in Afro-American (Baltimore, MD) 15 Dec. 12/3: Was that Alston Burleigh who was seen pricing some of that Glass that costs?
[US]W.R. Burnett High Sierra in Four Novels (1984) 290: The safety-deposit boxes are lousy with glass.
[US]Monteleone Criminal Sl. (rev. edn).
[US]‘John Eagle’ Hoodlums (2021) 115: Plenty dough. All that glass is real.
[US]R. Klein Jailhouse Jargon and Street Sl. [unpub. ms.].
[UK]J.J. Connolly Layer Cake 66: They stick the glass in a padded envelope and have it collected from wherever they happen to be eating lunch that day.

2. (UK Und.) any form of jewellery.

[UK]V. Davis Phenomena in Crime 156: Jewels, known in the racket as ‘glass’.

3. (drugs) a hypodermic needle, early versions of which were made of glass.

[US]J.E. Schmidt Narcotics Lingo and Lore.
[US]ONDCP Street Terms 10: Glass — [...] hypodermic needle.

4. the penis [one ‘blows’ glass to make it larger].

[UK]J. Morton Lowspeak.

5. in drug names [the shininess of the powders].

(a) methamphetamine.

[US]Maurer & Vogel Narcotics and Narcotic Addiction in Maurer Lang. Und. (1981).
[US]Hardy & Cull Drug Lang. and Lore.
[US]ONDCP Street Terms 10: Glass — [...] methamphetamine.

(b) heroin.

[US]ONDCP Street Terms 10: Glass — Heroin.

6. (US drugs) a pipe for smoking crack cocaine.

[US]N. Walker Cherry 233: Gary had a $20 crack rock. [...] Gary said, ‘You got any glass?’ I had a bowl in the car but that wasn’t what he meant.

In phrases

blow someone’s glass (v.)

to perform fellatio on a man.

[US](con. 1949) J.G. Dunne True Confessions (1979) 28: Here was one ginney getting his glass blown [...] and another ginney comes in and gives him three in the pump.
[UK]J. Morton Lowspeak.
glassed up (adj.)

(UK und.) carrying a bottle as an offensive weapon.

[UK](con. WW2) R. Poole London E1 (2012) 278: Jimmy pulled out the bottle. ‘Look out [...] ’e’s glassed up’.

SE in slang uses

In phrases

get a glass (v.)

to get drunk.

[UK]London Standard 28 Nov. 3/5: They were in the habit of ‘getting a glass’ on Saturday nights though [...] Marshall was nearly always drunk.
glass of lunch (n.) (also glass of steak)
[Western Champion and General Advertiser (Barcaldine, Qld.) 6 Mar. 11/3: ‘Wot's yours? Mine’s a British beer. Wot are you ’aving, ’Arry?’ ’Oh, mine's a glass of steak and onions’].
[US]News (Adelaide) 11 Jan. 5/7: The scientist, honest man, suggested that his glass of lunch was more important than this sort of thing.
[Aus]Argus (Melbourne) 28 Dec. 4S/1: Three pounds of humanity gets a glass of lunch in the hospital’s one humidicrib.
[Aus] A. Buzo Front Room Boys Scene iv: Been down the pub for lunch? [...] ‘Yeah, had a glass of steak with Barry Anderson.’.
[Aus]J. O’Grady Gone Troppo (1969) 112: At the moment, he’s having a Glass of lunch .
glass of water (n.) [such a person, like water, is seen to lack strength]

(US) a tall, thin person.

[US]F. Paley Rumble on the Docks (1955) 287: ‘Who they stomped?’ ‘A tall glass of water they call Wimpy.’.
glass painting book (v.)

(N.Z. prison) a pornographic magazine.

[NZ]D. Looser Boobslang [U. Canterbury D.Phil. thesis] 78/1: glass painting book n. a pornographic magazine.
use the glass (v.)

to use a broken glass or bottle as a weapon in a fight, typically in a public house.

[UK](con. 1900–30) A. Harding in Samuel East End Und. 284: Using the glass – using broken glass in a fight. It was a much more sensible way to fight than carrying a weapon because you could make out it wasn’t planned.