(Australia) Of a horse, to jump upwards with arched back and head down in an attempt to throw its rider.
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(Australia) To take part in a competition where riders attempt to stay on a horse that jumps in this way.
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Regional slang from around the English-speaking world — British, Australian, Irish, Caribbean, Nigerian, Filipino, AAVE, and the hyphenated-English dialects that make the internet sound local.
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