To travel clandestinely or informally by rail, especially by hopping freight trains; to live as a transient or itinerant person who moves from place to place by train.
2.
Globalneutral
To travel by train or on a rail‑guided vehicle as a passenger or traveler.
3.
Globalinformalfigurative
To be carried along by the momentum of a movement, trend, or process; to join or take advantage of an ongoing development or popular current.
4.
Globaltechnicalneutral
To move or be conveyed on a rail‑guided system (for example, a conventional railway, light rail, or magnetic‑levitation guideway).