On the wagon

What is On the wagon?

On the wagon definition and meaning on Dictionary terms:
any of various kinds of four-wheeled vehicles designed to be pulled or having its own motor and ranging from a child’s toy to a commercial vehicle for the transport of heavy loads, delivery, etc.
Informal. station wagon.
a police van for transporting prisoners; patrol wagon: The fight broke up before the wagon arrived.
(initial capital letter) Astronomy. Charles’s Wain.

British. a railway freight car or flatcar.
a baby carriage.
Archaic. a chariot.

verb (used with object)
to transport or convey by wagon.

verb (used without object)
to proceed or haul goods by wagon: It was strenuous to wagon up the hill.Also especially British, waggon.


reference: https://www.dictionary.com/browse/on–the–wagon