Green’s Dictionary of Slang

craik v.

also crake
[dial. crake, an ill-natured gossip; ult. SE crake, the cry of the corncrake]

(Ulster) to nag, to grumble, to talk without stopping.

[Ire]Share Slanguage.
[UK]D. O’Donnell Locked Ward (2013) 191: It would ease the ward situation [...] and stop the four craiking on and on about wanting out.