buckjump

English edit

Etymology edit

Verb edit

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

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