whizbang vs whizbang shell

whizbang and whizbang shell both are nouns.

Word	Noun	Adjective	Verb	Adverb
whizbang	Yes	No	No	No
whizbang shell	Yes	No	No	No

As nouns, whizbang and whizbang shell are synonyms defined as:

whizbang and whizbang shell: a small high-velocity shell; it makes a whizzing sound followed by a bang when it hits

Other synonyms of whizbang include whizzbang.

whizbang (noun)	whizbang shell (noun)
a firecracker that (like the whizbang shell) makes a whizzing sound followed by a loud explosion	a small high-velocity shell; it makes a whizzing sound followed by a bang when it hits
a small high-velocity shell; it makes a whizzing sound followed by a bang when it hits