Definitions
1.NounA very rapidly moving object, especially one that is thrown."The pitcher threw a real zinger and struck him out."
2.NounA surprising or unusually pointed, humorous and impressive insult or insulting quip.
3.NounAn event that when experienced leaves the witness dazed, either physically or metaphorically."I was still reeling from the zinger of seeing my ex on a date with my best friend."
4.NounAn outstanding, energetic and surprising thing or person.
5.NounA piece of food or drink that is tart and stimulating.