Green’s Dictionary of Slang

(Ulster) to procrastinate, to act hesitantly, to potter about.

1983		P. Devlin All of us There 72: Any form of hesitation is called kiffling.
1983		W.F Marshall ‘Me an’ Me Da’ in Livin’ in Drumlister 32: Well, I knowed two I thought I wud do, / But still I had me fears, / So I kiffled back an’ forrit / Between the two, for years.