or jonnock, adj. (provincial).Sociable; fair; just; straightforward; conclusive.
1843. W. T. MONCRIEFF, The Scamps of London, ii. 2. Youll act JANNOCK surely.
1871. Times, 4 Nov. When a gentleman, began by blowing his own trumpet, it was not altogether JANNOCK.
1878. J. HATTON, Cruel London, VIII., ii. Honour bright, no kid, as we say in London, JANAK, as we say in the North?
TO DIE JANNOCK, verb. phr. (old).To die with bravado.
1882. FENNELL, Antiquarian Chronicle, Collection of Old Words, July, p. 25, s.v.