At the coming of the Cocqcigrues. That good time coming, when every mystery shall be cleared up.
“ `That is one of the seven things,' said the fairy Bedonebyasyoudid, `I am forbidden to tell till the coming of the Cocqcigrues.' ” —C. Kingsley: The Water Babies, chap. vi.
Source: Dictionary of Phrase and Fable, E. Cobham Brewer, 1894
More on Cocqcigrues from Infoplease: