I've heard Saskatchewan as being described as "so flat you can watch your dog run away for three days."

crummy - a truck with a roofed box for transporting logging crews to and from work.

The name is derived from the fact that in the "old days" of logging, the loggers outer clothing was usually lice infested and a "crumb" was a body louse.

Further the term "antsy" is used here and refers to an agitated person or one having "ants in his pants" derived from the loggers habit of putting his louse-infested (crummy) clothing on ant hills, to have them "dry-cleaned".