not all, everything, etc. somebody’s cracked up to beidiomPart ofcracknot all, everything, etc. somebody’s cracked up to benot all, everything, etc. somebody’s cracked up to be — idiomidiom1. Not as good as people claim or believe.1.idiomDefinitionNot as good as people claim or believe.ExampleThe new restaurant is not all it's cracked up to be.That movie was not everything it was cracked up to be.