Green’s Dictionary of Slang

nisht n.

nothing.

1959		F. Norman in Lilliput 1 Feb. in Norman’s London (1969) 76: It was a right doddle and the chances of getting nicked were nisht.
1962		R. Cook Crust on its Uppers 19: Odd period in London — but come to a rub: nishte.
1993		R. Shell Iced 199: Without a will, that man will do doody-squat! Neeesch!
1999		(con. 1979–80) A. Wheatle Brixton Rock (2004) 80: Apart from smoking single snouts and losing at domino [...] I ain’t doing nish.
2000		N. Barlay Crumple Zone 33: He work wiv us two time he don’t know nish.
2016		A. Wheatle Crongton Knights 7: ‘That ain’t gonna do zero nish!’.
2019		P. Baker Fabulosa 295/2: nishta, nish, nishtoise, nishtoisale, nix nothing, no.