Idiom Definitions for 'End in smoke'
If something ends in smoke, it produces no concrete or positive result. This expression refers to the boasting by a person, of having put in a lot of efforts by him, for a particular cause or to attain a result which is very difficult to be done by any person. (This mainly refers to an investigation of a crime or solving a serious offence or a mystery). But at the end, when the desired result is not obtained, his claims are found to be false and not worth mentioning. So, he looses his credibility.
Idioms similar to 'End in smoke'