Definition of chousing:
(v) :
(US, of cattle) To handle roughly, as by chasing or scaring.
(v) :
(US, regional) To handle, to take care of.
(v) :
(transitive, US, regional) To cause undesirable activity in livestock, such as running.
(v) :
(obsolete, transitive) To cheat, to trick.
(n) :
(obsolete) One who is easily cheated; a gullible person.
(n) :
(obsolete) A trick; a sham.