be brimming (over) with something
From Longman Dictionary of Contemporary Englishbe brimming (over) with somethingbe brimming (over) with somethingto have a lot of a particular thing, quality, or emotion The flowerbeds were brimming over with flowers. He seemed to be brimming with confidence. Rob was just brimming with enthusiasm. → brimExamples from the Corpusbrimming with confidence• I feel he needs to be in a winning side, one brimming with confidence before he sparkles.• I wasn't absolutely brimming with confidence but there was nothing wrong with Seve's tee-shot this time.