buckjumping

1. (Australia) The action (of a horse) of aggressively attempting to buck a rider.Examples: "But, after a little preliminary buckjumping, Pyrrhus falsified his keeper′s prediction by behaving well and obediently."Australiauncountable

2. (Australia) A rodeo event in which the rider attempts to stay in the saddle of a bucking horse for a set period.Examples: "The well-known Australian horse-play, called buckjumping, — the like of which I do not remember seeing in any other part of the world, — is not only very disagreeable but extremely dangerous even to the good horseman."; "“How well you ride, Mr. McIntyre!” said Miss Webster in the course of the dinner. “I must confess I like to see a bit of good buckjumping.” Duncan smiled. “I nearly came to grief under that low brigalow though,” he said."Australiauncountable