bucking bronco
释义（英文）
名词 Noun
- A wild or untamed horse, characteristically difficult to ride.
- (by extension) A spirited or uncontrollable person.
- A mechanical bull in the form of a horse.
- (humorous) A supposed sexual position that involves the man telling the woman something disagreeable during sex (e.g. that he has a sexually transmitted disease, or prefers another woman), causing her to struggle or lash out.