Green’s Dictionary of Slang

dew n.

1. vaginal secretions.

[UK]Harris’s List of Covent-Garden Ladies 37: She plentifully showers down the genial dew on whatever seed is sown in her parterre .

2. (Anglo-Irish/US, also dew-bowl) whisky, usu. illicitly distilled.

[UK]E. Howard Rattlin the Reefer 157: Then came the whisky — the real dew.
[UK]Sporting Mag. Nov. 39: Come, send the gosson to the dunghill beyant for a dhrop of the dew, for the divil a [...] still-hunter or potteen spy is among us.
[US]Durivage & Burnham Stray Subjects (1848) 81: Jest fetch on your ‘prary dew’ for the hull lot, and d--- the expense.
[US]Cincinnati Enquirer 7 Sept. 10/7: Lush, Budge, Bilge-water, Tamshack, Fire-water, Tangle-foot, Elixir, Dew-bowl, and various other terms denote whisky.
[Aus]Dead Bird (Sydney) 18 Oct. 6/3: [The] Rooster gave him to drink of the dew of Ben Nevis.
[UK]J. Ware Passing Eng. of the Victorian Era 108/1: Dew o’ Ben Nevis (Lond. and Min. Taverns). A fortunate name discovered by a Scotch distiller to distinguish his whiskey. [...] ‘Twa o’ bennevis’ (the ’e’ pronounced short) is a common request, always complied with in the hard-working land o’ cakes.
[US]R. Chandler Long Good-Bye 173: The roses nod their heads with dew. Maybe I’m a rose. Brother, have I got dew.

3. (US drugs) marijuana [ref. is to illegality, i.e. ext of sense 1, rather than any image of wetness].

[US](con. 1970) J.M. Del Vecchio 13th Valley (1983) 394: Break out the dew. Them dudes need a toke.
E. Damerson in Dusted Mag. at [Internet] As capitalism and debauchery proceeded from flirtation to full-tilt codependency, the media needed a patsy. The dew was scapegoated for political reasons outside the scope of, uh, a record review.

4. (US gay) oily sweat exuded by the anus.

[US]B. Rodgers Queens’ Vernacular 61: dew oily sweat secreted from the anus.

SE in slang uses

In compounds

dew-beaters (n.) [note Norfolk dial. dew-beaters, heavy, waterproof shoes]

1. those who get up early, i.e. before the dew has evaporated.

[UK]J. Hacket Memorial of John Williams Pt 1 57: The Dew-beaters have trod the way for those that come after them.
[UK]Isle of Wight Obs. 23 June 4/9: A match was played [...] betwen the second eleven of the Isle of Wight club, and the eleven of the ‘Dew-beaters’ (a club formed of the young men [...] who rise early in the morning [so] they get two or three hours of play before commencing their usual day duties).

2. (UK Und.) the feet.

[UK]G. Stevens ‘A Cant Song’ Muses Delight 177: I darken’d his daylights, and sew’d up his sees, / And up with my dew-beaters tript him.
[UK]W. Toldervy Hist. of the Two Orphans IV 100: Goutify your dewbeaters, said she, what right have you to ask questions of me?
[UK]G. Parker Life’s Painter 154: I gave him such a gallows snatch of the dew-beaters that he was dead near twenty minutes by the sherif’s watch before the other two.
[UK]G. Andrewes Dict. Sl. and Cant.
[UK]Lex. Balatronicum.
[UK]Sir W. Scott Peveril of the Peak IV 12: ‘First hold out your dew-beaters till I take off the darbies.’ ‘Is that usual?’ said Peveril, stretching out his feet as the fellow directed, while his fetters were unlocked.
[UK]G. Kent Modern Flash Dict.
[UK]Flash Dict. in Sinks of London Laid Open.
[US]Matsell Vocabulum.
[UK]Hotten Sl. Dict.
[UK]H. Baumann Londinismen (2nd edn).
dew-drink (n.)

a drink served to farm labourers before they start work.

[UK]Hotten Sl. Dict.

see separate entries.

dew-flaps (n.) [var. on pissflaps under piss n.]

the labia.

Desdemona at [Internet] Cherry would sit for hours and squeeze her shag bag tight, [...] She would stick her finger in and squeeze her dew-flaps around it, gauging how tight she felt.