1. jumping upward and kicking backward with the hind legs (of a horse or similar animal)
2. resisting or opposing something forcefully
Usage: informal

1. moving in a sudden, jerky manner

Examples

• The wild horse kept bucking whenever someone tried to mount it.
• She was bucking against the new company policies.
• The bucking truck made it difficult to stay in the seat.
• He spent years bucking the traditional way of doing things.
• The bronco rider held on despite the horse’s violent bucking.
• The boat’s bucking motion made several passengers seasick.
• They’re bucking for a promotion by working extra hours.