Green’s Dictionary of Slang

amber adj.

[the colour]

pertaining to alcohol, mostly beer; usu. in compound below.

[[US]Night Side of N.Y. 54: The finest horses in the world are harnessed to the chariots of this ‘Amber God’].
Public Opinion (Canada) 1 420/1: Soldiers in the recently opened saloon at the Soldiers’ Home, at Dayton, each with his ‘mug of amber brew, a full pint, filled up solid to the brim’.
[Aus]E.G. Murphy ‘Apples’ in Jarrahland Jingles 165: The loyal liquor they were swilling [...] whenever there’s a plentitude of amber eau-de-vie, Cronk sentiment is equally abundant.
[US]Phi Beta Pi Qly 5-6 183/2: Henry Loftus from Om-ha-ha is a good German and quite fond of the amber fluid.
[US]Spokane Press (WA) 27 Mar. 5/4: Not the first attempt that has been made to hold back bottles till the brewers were ‘up against’ it for receptacles for their amber brew.
[Aus]Truth (Brisbane) 4 Dec. 11/3: He clutched a heavy weight amber-drench, and I the extensively advertised tired-bloke’s tincture.
[Aus]Truth (Sydney) 3 Feb. 9/1: [heading] Rogue Reggie – runs amuck with a rug – but blames the amber beverage [AND].
[US]Capt. Billy’s Whiz Bang Aug. 40: A nice, large, cooling glass of lager. You know, the kind we got before the war — the amber fluid that would almost make you side-slip into a tail spin.
[US]A. Hynd We Are the Public Enemies 126: The amber brew [...] had just returned to slake the parched national palate.
[UK]B. Kiely Honey Seems Bitter 175: The happy times I’d walked that way [...] with a full amber mind.
[Aus]Bulletin (Sydney) 19 Aug. 6/2: Barry Crocker as Bazza is beautiful. He shows off remarkable cultural achievements, like being able to open a tube of the chilled article with one hand and give himself a swift amber transfusion.
A. Buzo Tom (1975) 15: I’ll stick with the old amber article.

In compounds

amber fluid (n.) (also amber juice, ...liquid)(Aus./US)

1. beer.

[UK]J. Hannay Singleton Fontenoy II 5: ‘It serves me right for deserting rum, my proper tipple. Boy, the amber fluid!’ Here Mr. Snigg mixed himself some swizzle and consoled himself.
[[US]Night Side of N.Y. 55: Let’s follow the wake of that waddling Dutchman, who is turning off a portion of its [i.e. a cask] amber fluid].
Tarborough Southerner (NC) 27 Aug. 4/1: A little crowd of students [...] were gathered in a beer saloon [...] quaffing the amber fluid.
[US]Eve. Bulletin (Maysville, KY) 27 June 1/4: A colored individual, who appeared to be the center of an admiring crowd of beer-punishers. He was picking a glass of the amber fluid from between his massive lips.
[US]Red Cloud Chief (Webster Co., NE) 31 May 5/2: Bill says he’ no cigar sign [...] but he does like to draw the amber fluid through a great deal of tobacco.
[US]Shiner Gaz. (TX) 11 June 5/3: He might have been enjoying life with a schooner of bright, cool, amber fluid, fresh from a keg on ice.
[Aus]Sun. Times (Perth) 1 Jan. 4/7: Cakewalks are permanently off / Where flows the amber fluid.
[UK]A. Wright Rung In (1931) 305: He [...] knocked the top off a bottle and poured out the amber fluid.
[Aus]Sun. Times (Perth) 15 Jan. 3/9: Such are the virtues of the amber fluid.
[NZ]N.Z. Truth 2 Dec. 4/2: [headline] Buckshee pints of Amber Juice.
[Aus]Cairns Post (Qld) 18 Feb. 4/3: [headline] The Lure of the Amber Liquid.
[US]J. Tully Shanty Irish 164: Gentleman guzzlers, I digress – I would feign recite ere I inhale the amber fluid.
[Aus]‘William Hatfield’ Sheepmates 217: She [...] came back with some amber liquid in a glass.
[Aus]Townsville Daily Bull. (Qld) 3 June 12/7: Picking up a bottle of the amber fluid I got out of the vehicle.
[Aus]Western Mail (Perth) 6 June 15/1: An infrequent supply of beautiful amber liquid was delivered to the [...] Sergeants’ Mess.
[Aus]B. Humphries Barry McKenzie [comic strip] in Complete Barry McKenzie (1988) 18: Am I demolishing the amber fluid tonight!
[Aus]J. Hibberd White with Wire Wheels (1973) 154: The kitchen is a sea of amber fluid.
[UK]J. Sullivan ‘Go West Young Man’ Only Fools and Horses [TV script] I downed the amber fluid.
[Aus]B. Moore Lex. of Cadet Lang. 10: amber fluid beer.
[Aus]G. Seal Lingo 30: Regional distinctiveness also surfaces [...] in the variety of names for the glasses from which the amber fluid is consumed.
[NZ] McGill Reed Dict. of N.Z. Sl.

2. whisky.

[Aus]Sun. Times (Perth) 11 Oct. 4/8: Soon the amber fluid malted / Will be sought, but sought in vain; / No more tiny tots of whisky [etc.].
[US]P. Gent North Dallas Forty 3: There was about an inch of the amber fluid left.
[UK]F. Norman Too Many Crooks Spoil the Caper 127: I gazed at the amber liquid with a frown.
amber stuff (n.)

beer.

[NZ]Truth (Wellington) 22 June 1/4: Dunedin gets a lot of kudos for the amber stuff which ferments and makes you jolly and fat.