Real Dictionary

zing
If you refer to the zing in someone or something, you mean the quality that makes them lively or interesting.

zing in American English
a shrill, high-pitched sound, as of something moving at high speed
to make a shrill, high-pitched sound
to strike or affect forcibly
intransitive verb: to move or proceed with a sharp singing or whining noise
noun: vitality, animation, or zest
transitive verb: to cause to move with or as with a sharp, singing or whining noise

zing in British English
noun: a short high-pitched buzzing sound, as of a bullet or vibrating string
verb: to make or move with or as if with a high-pitched buzzing sound