A caller is curious about the odd expression “to who laid the rail,” which is used to mean, among other things, “thoroughly, completely, excessively.” You can see Grant’s work on the term at the Double-Tongued...
who laid the rail adv. phr. in the forms from or to or until or for or since who laid the rail: with all possible speed, force, or action; completely, thoroughly, excessively, endlessly, limitlessly; quickly; forever, always, since time immemorial...