buckjump

English

Etymology

buck +‎ jump

Verb

buckjump (third-person singular simple present buckjumps, present participle buckjumping, simple past and past participle buckjumped)

1. (Australia) Of a horse, to jump upwards with arched back and head down in an attempt to throw its rider.
2. (Australia) To take part in a competition where riders attempt to stay on a horse that jumps in this way.