'whizz' definitions:

Definition of 'whizz'

noun

Someone who is dazzlingly skilled in any field [syn: ace, adept, champion, sensation, maven, mavin, virtuoso, genius, hotshot, star, superstar, whiz, whizz, wizard, wiz]

verb

Make a soft swishing sound; "the motor whirred"; "the car engine purred" [syn: whizz, whiz, whirr, whir, birr, purr]

verb

Move along very quickly [syn: zoom, zoom along, whizz, whizz along]

From: GCIDE

Whiz \Whiz\, v. i. [imp. & p. p. Whizzed; p. pr. & vb. n. Whizzing.] [Of imitative origin. ???. Cf. Whistle, and Hiss.] To make a humming or hissing sound, like an arrow or ball flying through the air; to fly or move swiftly with a sharp hissing or whistling sound. [Written also whizz.] [1913 Webster]
It flew, and whizzing, cut the liquid way. --Dryden. [1913 Webster]