Green’s Dictionary of Slang

chutney n.

[like chocolate adj. (2), chutney is brown and thus generic for matters referring to defecation and sodomy]

sodomy.

[UK]Partridge DSUE (8th edn) 782/1: C.20.

In compounds

chutney ferret (n.)

1. the penis.

[UK]P. Baker Fantabulosa.

2. (UK juv., also ferret) a male homosexual, a sodomite.

[UK]J. McDonald Dict. of Obscenity etc. 151: Turd burglar [...] Less explicit examples are chocolate bandit and chutney ferret.
[UK]M. Walters Echo 163: They warned me off you and Lawrence because they reckoned you were a couple of chutney ferrets after my arse.
OnLine Dict. of Playground Sl. 🌐 chutney ferret n. homosexual, used as a term of insult. [Ibid.] ferret n. a homosexual.
[NZ]D. Looser Boobslang [U. Canterbury D.Phil. thesis] 42/1: chutney ferret n. a homosexual.
[UK]N. Griffiths Stump 210: Pairer fuckin puffs holdin hands in public [...] Couplea fuckin homs. — Yeh. Chutney ferrets.