Answer:

DUD

Answer	Crossword Clue
DUD	Flop
DUD	Total failure
DUD	Bomb of a bomb

DUD	Fiasco
DUD	Washout
DUD	Waste of money
DUD	Flo
DUD	Unpopped cracker
DUD	Lemon
DUD	Failure
DUD	Nonstarter on Broadway

DUD	Cracker that won't crack
DUD	Firecracker that fails
DUD	It doesn't go off
DUD	Turkey
DUD	Fizzler
DUD	Faulty firecracker
DUD	Clunker
DUD	Cracker that doesn't crack

DUD	Hardly a success
DUD	Fizzled firecracker
DUD	Fizzling firecracker
DUD	It doesn't detonate
DUD	You won't get a bang out of it
DUD	Failure of a firecracker
DUD	Bomb that's a bomb
DUD	Bomb that bombed

DUD	Stinker
DUD	Disappointing firecracker
DUD	Nonfunctional bomb
DUD	Bomb bomb
DUD	Explosive that doesn't explode
DUD	Producer's fear
DUD	Epitome of the lowest standards
DUD	Debacle

DUD	Failed firecracker
DUD	Defective firecracker
DUD	Firecracker that doesn't crack
DUD	Failed device
DUD	Ineffective ammo