fizzle out

fizzle out  {v.},  {informal}
1. To stop burning; die out.
The fuse fizzled out before exploding the firecracker.
2. To fail after a good start; end in failure.
The power mower worked fine for a while but then it fizzled out.
The party fizzled out when everyone went home early.
Categories: {informal} {v.}