Definition of: whiz

(hwiz) v. whizzed, whiz·zing v.i.
1. To make a hissing and humming sound while passing rapidly through the air.
2. To move or pass with such a sound.
—v.t.
3. To cause to whiz.
—noun
1. A sibilant sound with some sonant character, such as is produced by a missile passing through the air.
2. Slang Any person or thing of extraordinary excellence or ability.
3. Slang A bargain.
4. Slang A celebration; a spree. Also whizz. [Imit.]