Drumroll (noun)

A rapid series of drumbeats used as a signal for attention or emphasis, especially in music and theater.

Origin:

From drum + roll.

Examples:

1. The audience grew quiet as the drummer started a dramatic drumroll.
2. The announcer asked for a drumroll before revealing the winner of the contest.
3. The drumroll built to a crescendo as the curtain rose on the show.
4. The drumroll is often used to create suspense or excitement.
5. The drumroll added rhythm and energy to the performance.