To play the demagogue.

1

1656.  When that same ranting fellow Alcibiades fell a demagoging for the Sicilian war.—Harrington, ‘Oceana,’ 143. (N.E.D.)

2

1850.  In Ohio, the master-spirits of the party, while demagoging upon the stump, have promised the people, &c.—Mr. Olds of Ohio, House of Repr., July 24: Cong. Globe, p. 946, App.

3

1854.  There is as much demagoguing over [the slavery question] South as North; and it has been more than once used to put up or put down presidential candidates.—Mr. Brodhead of Pa., U.S. Senate, Feb. 28: id., p. 248, App.

4