drum-roll
From Longman Dictionary of Contemporary EnglishRelated topics: Musicdrum-rollˈdrum-roll noun [countable] APMCELEBRATEa quick continuous beating of a drum, used especially to introduce an important eventExamples from the Corpusdrum-roll• Very light, very hurried steps, but the bare, glossy wood turned them into a muffled drum-roll.