the minute (that) somebody does something
From Longman Dictionary of Contemporary Englishthe minute (that) somebody does somethingthe minute (that) somebody does somethingIMMEDIATELYas soon as someone does something Tell him I need to see him the minute he arrives. → minuteExamples from the Corpusthe minute (that) somebody does something• The minute I say something is cute, she'll hate it.