1. things that fail to meet expectations or end in disappointment
Usage: informal
2. fireworks or devices that make a hissing or sputtering sound

Examples

• The new product launches turned out to be complete fizzers.
• Most of his business ideas were fizzers that never got off the ground.
• The movie was one of the biggest fizzers of the year.
• We bought some fizzers for the Fourth of July celebration.
• The kids enjoyed watching the colorful fizzers light up the night sky.
• After all the hype, the concert was a real fizzer.