corruption of SWAN-UPPER.

1

1641–2.  in Willis & Clark, Cambridge (1886), III. 595. Ricardo Roby le Swanhopper pro le 9 Swans 1l, 9s.

2

1827.  Hone, Every-day Bk., II. 914. The … unsuspecting swan-hoppers.

3

1894.  Sir J. Astley, 50 Years Life, I. 12. They [sc. the horses] did not half tumble about; neither did the swan-hoppers.

4