culbuter
/kyûlbytə/ (kyool-byoo-tay)
Definitions
1. verb
to throw or toss someone or something on one’s back in a playful or teasing manner, especially by a horse, or to ride a horse in this way
“The jockey culbutered the horse, causing it to rear up in surprise.”
2. noun
a trick in which a horse, especially a circus or rodeo horse, throws a rider onto its back, often by bucking or rearing
“The cowboy was thrown off his horse in a culbuter, but he quickly got back on and continued riding.”