The overhead light flickered twice; moment-of-truth time.

A stray glittermote, a shining black rather than the usual gold, settles on his shoulder, flickers twice, and vanishes.

The lights flickered twice and went out.

The screen flickered twice, and an offiight panel lit with a furious bearded face.

Along the island, lights and windows flickered twice.

The screen flickered twice, then stabilized.

The screen flickered twice, and the priority code appeared in the upper right-hand corner.

Nikki flickered once or twice, then vanished.

The single light-glow in the ceiling flickered twice.

The lights above the bar went off, flickered twice, then came back on.