1. open-and-shut - Adjective
2. open-and-shut - Adjective Satellite
so obvious as to be easily solved or decided
Source: WordNetopen and shut
I gave a school speech in which I rejected all belief as an affront to common sense. I was an atheist, and I was 12: it seemed open-and-shut. Martin Amis
They've got him - credible witnesses, documents, heaven knows what else. In all my years as a prosecutor I have never seen such an open-and-shut case. Elliot Richardson
an open-and-shut case Source: Internet