Wet squibs are synonymous with disappointing or underwhelming experiences. Some other phrases that could be used instead of wet squibs include "fizzled out," "fallen flat," "lackluster," "flat," or "failed to meet expectations." These phrases can be used to describe a variety of situations, including events, performances, or even products that don't live up to their hype. When something falls short, it can be frustrating, but there are always other opportunities to try again and create a better outcome. By expanding your vocabulary to include these synonyms, you can better articulate your disappointment and move on to the next opportunity.