Green’s Dictionary of Slang

chul v.

[? Hind. chul, go along, hurry]

to succeed.

[UK]G.A. Sala in Illus. London News 19 June 644: In Calcutta chul is a word that you hear fifty times a day. A lady tells you that her new Atah will not chul at all; the proprietor of that popular weekly journal, the Hooghly Dacoit... tells you that he is going home for six months; but that the paper will chul very well during his absence. The chul, I apprehend, means to go on, to proceed, to do [F&H].