WordNet (r) 3.0 (2006):
whizzbang n 1: a small high-velocity shell; it makes a whizzing sound followed by a bang when it hits [syn: whizbang, whizzbang, whizbang shell] 2: a firecracker that (like the whizbang shell) makes a whizzing sound followed by a loud explosion [syn: whizbang, whizzbang]