(noun)
(informal) liveliness, energy, or animation/enthusiasm, or broadly, something that makes things interesting or exciting in an enjoyable way;
e.g. She brought excitement and zing to their rehearsal sessions with her lively personality.
(noun)
broadly, a sharp flavor/taste, such as tartness/sourness or spiciness;
e.g. The sauce had lots of zing from the lime juice and chilis in it.
(noun)
a high-pitched whining, humming, or ringing sound;
e.g. She heard a zing as an arrow flew close to her ear.
(verb)
to move very quickly, often making a high-pitched whining, humming, or ringing sound;
e.g. He threw the dart and watched it zing through the air before it hit the center of the target.
(verb)
(informal, American) to criticize someone or verbally attack them, usually in a witty and/or sharp manner;
e.g. She started to zing their newest policies for being discriminatory.