fizzer

listen to the pronunciation of fizzer
Английский Язык - Английский Язык
something which fizzes
a party or social gathering which turns out to be a disappointment

It's probably for the best you didn't come to the birthday party on Saturday, it was a fizzer.

a disciplinary charge
{i} fiasco, failure, event or happening that fails to live up to expectations; firecracker that fails to explode (Slang)