horseback opinion
English
Noun
horseback opinion (plural horseback opinions)
- (informal, idiomatic) An opinion given without thorough consideration or a firm basis, often used in a casual or speculative way.
- 1903, Andy Adams, The Log of a Cowboy, A Narrative of the Old Trail Days, page 72:
- My sister gives it as a horseback opinion that she'd been engaged to this fellow nearly eight months.