Unpopped firecracker (3)
I believe the answer is:
dud
(Other definitions for dud that I've seen before include "Broken" , "Damp squib" , "Counterfeit article" , "Firework not going up" , "Failing to work properly" .)
I believe the answer is:
dud
(Other definitions for dud that I've seen before include "Broken" , "Damp squib" , "Counterfeit article" , "Firework not going up" , "Failing to work properly" .)