Green’s Dictionary of Slang

ferret n.2

[SE ferret; like the animal, it burrows into holes; cits. 1599 and c.1650 are double entendres]

1. the penis.

[UK]Gesta Grayorum in J. Nichols Progresses and Processions of Queen Elizabeth (1823) III 326: Capringe Kate, of Clarkenwell, claymes to hold [...] play for five Gentlemen Ushers, each of them with a ferret and two tumblers, weekly.
[UK]H. Porter Two Angry Women of Abington F: And they put ferrets in the holes, fie, fie, And they go vp and downe where connies lye.
[UK]Jonson Bartholomew Fair II iv: Hear for your love, and buy for your money! / A delicate ballad o’ ‘The Ferret and the Coney’.
[UK] ‘Off Alle The Seaes’ in Farmer Merry Songs and Ballads (1897) IV 8: The Coney then betwixt her leggs / did hold my fferrett ffast.
N. Breton Packet of Letters in Grosart (1879) II 47/2: A Pedlar, a Parasite, and a Pandar? and now wouldest be Connie-catcher? Sir, I haue no game for your Ferret, and therefore hunt further.
[UK] ‘Of All the Seas’ in Bold (1979) 160: I hunted up a hill, / A coney did espy; / My ferret seeing that, / into her hole did hie.
[UK]Mercurius Fumigosus 4 28 Mar.–3 Apr. 26: [Something] to cover those naked Conneyberries from the fury of the enemy, or the rigour of the Ferrets that might otherwise torment the Forrests of comfort.
[UK] in D’Urfey Pills to Purge Melancholy VI 198: The Ferret he goes in, through flaggs thick and thin.... The Cunny she shows play, and ... Like a Cat she does spit in his Face.
implied in walk one’s ferret
[Aus]B. Humphries Barry McKenzie [comic strip] in Complete Barry McKenzie (1988) 93: The randy old bastard can’t think of anything else but puttin’ his fantom ferret through the furry hoop.
[Aus]D. Maitland Breaking Out 186: I’m busting for a pee [...] So I did the obvious thing and slipped behind a couple of bushes, then gave my ferret a good run.
[Aus]B. Humphries Traveller’s Tool 56: You stand a good chance of getting the ferret through the furry hoop.
[UK]A. Higgins Donkey’s Years 153: He had an unclean mind and could make his tool stand up at will, a ferret stirring in a sack.

2. see chutney ferret under chutney n.

In phrases

give the ferret a run (v.)

(Aus.) to have sexual intercourse.

[Aus]J. Byrell (con. 1959) Up the Cross 26: [of dogs] Fenmore [...] gave the ferret a short but good run [...] Mignonette became the mother of five beaut bitser sprogs.
walk one’s ferret (v.)

(N.Z.) to masturbate.

[NZ]D. Davin For the Rest of Our Lives 194: And how are you, you old bastard. You look seedy. Been walking your ferret too often, I expect.