Green’s Dictionary of Slang

1. alcohol; a drink [note use of phr. amber nectar in 1990s+ adverts for Foster’s (Aus.) lager].

1749		Smollett (trans.) Adventures of Gil Blas I 204: I’ll conduct you to a tavern where you shall drink nectar.
1760		Scots Mag. 3 Mar. 37/2: Old Dryden sells nectar, an excellent dram.
1841		Dickens Old Curiosity Shop (1999) 431: Mr. Swiveller [...] slowly sipped the last choice drops of nectar.
1868		Sportsman 6 June 4/2: Notes on News [...] The Empress drank a large glass of the local nectar [i.e. cider].
1870		Mercury (Hubart) 23 Apr. 2/5: [from the Stranraer Free Press] [...] barleybree, nectar .
1885		Bulletin (Sydney) 28 Feb. 10/2: ‘By Jove, old man, you must have walked into the nectar divine pretty stiff last night! How much did you score on your own account?’ ‘Seven bottles.’ [Ibid.] 18 Apr. 11/1: Declining to wait till a glass was procured, his worship inserted the small end of the bottle in his mouth, and, quickly tilting up the other, took a mouthful of the nectar.
1905		Sporting Times 11 Mar. 2/3: Yet in the affections of the unhappy no nectar holds a place so high.
1906		Sun. Times (Perth) 7 Jan. 4/8: The nectar down their thirsty throats they very gently spilt.
1932		Bath Chron. 20 Aug. 19/2: The Tramp’s ‘Nectar’ [...] It has a splendid name — surgical spirits. It consists of methylated spirits mixed with castor oil, and it makes them mad drunk.
1933		‘William Juniper’ True Drunkard’s Delight.
1953		A.J. Liebling Honest Rainmaker (1991) 118: He was therefore well qualified to bedazzle even the mathematically expert, especially after plying them with nectar.
1989		P. Munro Sl. U.

2. (US campus) anything exceptionally wonderful.

1989

P. Munro Sl. U.

3. (W.I.) semen [note Williams (1994) for fig. use of nectar as vaginal secretions].

[1866		E. Sellon Phoebe Kissagen 35: His prick was still stiff as ever, notwithstanding the spurting shower of love’s nectar, with which he had just refreshed my tulip].
[1879		‘Sub-Umbra, or Sport among the She-noodles’ in Pearl 2 Aug. 2: ‘My love; my life! I must kiss you there, and taste the nectar of love.’ [...] I licked up the luscious spendings with rapturous delight from the lips of her tight lime [sic] cunny].
1995		Francis-Jackson Official Dancehall Dict. 36: Nectar semen.
1997–2000		College Sl. Research Project (Cal. State Poly. Uni., Pomona) 🌐 Take a hit of (my) nector (verb phrase) Engage in oral sex.