hog train

noun4

1. •
   (US, Canada) A train for transporting pigs.
2. •
   (US, Canada) A train of a class which is used by the poor and tramps.
3. •
   (US, Canada) Any means of getting by cheap when travelling, budget transport.
4. •
   (US, Canada) Little expense in life, the life or existence of a tramp.