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]