Green’s Dictionary of Slang

nature n.

1. the penis; semen.

[UK]in B. Capp When Gossips Meet (2003) 243: On another occasion, she deposed, he had assaulted her in a stable, pulled up her clothes ‘and did then spend his nature upon my thighs’.
[UK] ‘The Rakish Gentleman’ in Knowing Chaunter 44: It costs me full two pound a month / For inexpressibles; / Because my nature wears them out / While looking at the belles.
[US]A. Brooke Last Toke 77: The statement was cut short by his stiffening nature poking its way greedily into her bruised mouth.
[US]J.L. Gwaltney Drylongso 161: How many men will admit that they throw their nature down the toilet.

2. a euph. for the vagina.

[UK] ‘Miss Jenny Kilpatrick’ in Ranger’s Impartial List of the Ladies of Pleasure in Edinburgh n.p.: She was at first frightened of the dart; but as she is now thoroughly aquainted with it, she will hug and kiss it, and put it nearest her heart, even in the very centre of nature.

3. one’s libido, one’s sex-drive [note Cleland (1748-9): ‘After playing repeated prizes of pleasure, nature overspent, and satisfy’d, gave us up to the arms of sleep’].

Dunbar Tretis of the Twa Mariit Wemen line 174: He has bene lychour so lang quhill lost is his natur, / His lume is waxit larbar and lyis into swonne.
[UK](con. WWI) F. Richards Old Soldiers Never Die (1964) 106: When a man is between twenty and thirty nature rules his brain.
[US]Mezzrow & Wolfe Really the Blues 318: You take a guy thirty, forty, fifty years old, if he needs some Nature he sure can get it from marihuana.
[US]H. Selby Jr Last Exit to Brooklyn (1966) 32: Goldie filled the glass with gin, just a bit of mixer, no bennie (too much might kill his nature).
[US]A. Brooke Last Toke 204: Don’t go pawin’ an’ thinkin’ on bringin’ her back fo’ to satisfy you black-assed nature!
[UK]M. Thelwell Harder They Come 328: Sometimes, when her nature come down, she jus’ had to holler one time.
[US]R.R. Moore ‘Hurricane Annie’ [lyrics] Now, I know that you know the course of my nature, and I don’t mean maybe. / I make all my ho’s suck my dick cause I ain’t got time for no babies.
[UK]N. Barlay Curvy Lovebox 48: My nature’s callin’.

Terms associated with sexuality

In compounds

nature’s founts (n.) [literary euph.]

the female breasts.

[Aus]Bulletin (Sydney) 9 May 14/4: There was a boy down there used to sit on a rock, and cry like a young ’un, till some old fool of a sea-cow would come up and take him in her flappers, and press him to nature’s fount, and afterwards the father of the young deceiver would pot the old lady.
nature’s privy seal (n.) (also Dame Nature’s privy seal)

the hymen .

[UK] ‘The Maid a Bathing’ in Farmer Merry Songs and Ballads (1897) II 41: Her legs she opened wide, My eyes I let down steal, Until that I espy’d Dame Nature’s privy-seal .
nature’s scythe (n.)

the penis.

ballad in T.R. Smith Poetica Erotica (1921) 504: But while love’s meadow, happy Dick, With nature’s scythe was mowing [etc.] .
[UK]Farmer & Henley Sl. and Its Analogues.
nature’s treasury (n.) (also nature’s workshop, treasury of love)

the vagina.

[UK]H. Glapthorne Lady Mother I i: lowell: The totall some of my blest deity Is the magazine of Nature’s treasury [F&H].
[UK]Farmer Vocabula Amatoria (1966) 12: Amarris, m. The female pudendum. ‘Nature’s workshop’. [Ibid.] 27: Bahut, m. 1. The female pudendum; ‘the treasury of love’.

In phrases

lose one’s nature (v.)

to lose one’s sex-drive, typically as a result of narcotic addiction.

[US] in S. Harris Hellhole 68: I know what you heard about junkies losing their nature. But [...] I’ll do anything for junk.

SE in slang uses

In phrases

give nature a fillip (v.)

to indulge in hedonistic pleasures, notably women and wine.

[UK]B.E. Dict. Canting Crew n.p.: Give nature a fillip to Debauch a little now and then with Women, or Wine.
[UK]New Canting Dict. n.p.: To give Nature a Fillup; To give a Loose to Women or Wine.
[UK]Derbys. Times 17 May 2/5: In London he used to think a glass necessary just to give nature a fillip.