n. & v. sl.
—n.
1 nothing.
2 a denial or refusal.
—v.tr.
1 cancel.
2 reject.
Etymology: G, colloq. var. of nichts nothing
2.
n. (fem. nixie) a water-elf.
Etymology: G (fem. Nixe)
3.
int. Brit. sl. giving warning to confederates etc. that a person in authority is approaching.
Etymology: 19th c.: perh. = NIX(1)
Useful english dictionary. 2012.