Green’s Dictionary of Slang

nochy n.

[Ital. notte/Sp. noche, night]

(Ling. Fr./Polari) night.

[UK]H. Young Lex. of Polari 🌐 nochy night.
[UK]P. Baker Fabulosa 295/2: nochy night.

In compounds

nochy bog (n.)

(N.Z. gay) a public lavatory that attracts the bulk of its soliciting users at night.

[NZ]W. Ings ‘Trolling the Beat to Working the Soob’ in Int’l Jrnl Lexicog. 23:1 64: In avoiding the attentions of a charpering omi (policeman) he might often frequent a nochy bog (a toilet that attracted men at night) or a goolie bog (one that had been vandalised to remove light fittings.