n. a small high-velocity shell; it makes a whizzing sound followed by a bang when it hits
n. a firecracker that (like the whizbang shell) makes a whizzing sound followed by a loud explosion
n. [旧俚语](一种爆炸力很强的)高速炮弹；(一种)速爆烟火；[美国俚语] =whiz (2.)
a. [美国俚语]杰出的, 优秀的；很有用的；充满生气的；壮观的