verb. phr. (venery).—To copulate: see GREENS and RIDE. Hence BELLY-BUMPER = a whoremonger, a PERFORMER (q.v.); BELLY-BUMPER = the act of kind.

1

  1694.  MOTTEUX, Rabelais, ‘The Pantagruelian Prognostication,’ V. Smockers, stallions and BELLY-BUMPERS.

2