United StatesEnglish-speaking countriesinformalcolloquial
A figurative expression demanding the substantive part, core argument, or meaningful content of a claim or presentation; asking for concrete evidence or details.
Used to point out that something is insubstantial, lacking in meaningful content, or deficient in results.
2.
United StatesEnglish-speaking countriesinformalcolloquialhumorous
An exclamatory challenge to expose a lack of proof, accomplishment, or seriousness behind someone's statements or actions.