Good question, that verb is used a lot in Darija. It usually means "to get by". It is used to say that things are just ok and not super good.
A - (How is it going at work?) = كـدايـر مـع الـخـدمـة ؟
B - ( fine, we are getting by ) = .بخـيـر , كـنـسـلـكو