flitter (verb)

1. The butterflies in my stomach flittered as he gave me a bouquet of roses.

2. In the dimly lit room, the shadow flittered across the walls, sending chills down her spine.

3. As the character's eyes widened with excitement, her heart flittered at the sight of her crush.

4. During World War II, news about the enemy's troops flittered between countries, causing great unease among the citizens.