n.c., phr.¹ — Green’s Dictionary of Slang

n.c. phr.¹

[abbr. nuff ced phr.; ‘a certain theatrical manager spells the words, it is said, in this style’ (Hotten, 1864)]

(US) enough said, it is possible to infer all the facts from what has already been stated.

1843		Gleaner (Manchester, NH) 15 Apr. n.p.: If he does not leave off calling there so often, he must expect to have his name mentioned in the next Gleaner. ‘N.C.’ nuf said!
1864, 1867, 1870		Hotten Sl. Dict.
1882		Sydney Sl. Dict. (2 edn) 6: N.C., ‘Nuff Ced ‘ - Enough said. Thea[trical]. origin.