buckjumper

plural buckjumpers

1. One who takes part in buckjumping.

   Synonyms: buckjump rider

2. A horse that buckjumps.

   I met a chap named Martin Skuthorpe, a buck-jump rider and horse-breaker who was staying at the hotel. My obvious impulse was to ride buck-jumpers.

   1933, Frank Clune, Try Anything Once, Sydney: Angus and Robertson, page 31

   1 more example

   One of the selectors owned a grey cob, one of the most pertinacious buckjumpers I ever saw, whose performances delayed the starting of the expedition for some little time.

   1887, Harriet W. Daly, Digging, Squatting, and Pioneering Life in the Northern Territory of South Australia, page 77