A zinger is a witty remark, or something that is lively, interesting, amusing, or impressive. The panelists are left to compress their inquiries into one good zinger of a question I thought it looked like a zinger. a clever humorous remark that might also be insulting
a striking or amusing or caustic remark; "he always greeted me with a new zinger"; "she tried to think of some killer of an argument, a real zinger that would disarm all opposition