Whiz-bangs refer to things that are exciting, surprising, and impressive. However, there are several antonyms for this term that describe things that are dull, boring, or unimpressive. Some examples of antonyms for whiz-bangs include mundane, unremarkable, ordinary, prosaic, routine, and standard. These words are often used to describe things that lack excitement, creativity, or originality. In contrast, whiz-bangs are used to describe things that are unique, innovative, and captivating. While some may prefer the simplicity and stability of mundane or routine things, others may crave the thrill and adventure of whiz-bangs.