Definition of "whiz" []

• To make a whirring or hissing sound, as of an object speeding through air. (verb-intransitive)
• To move swiftly with or as if with such a sound; rush: whizzed past on a ten-speed bike; as the days whizzed by. (verb-intransitive)
• To throw or spin rapidly: The pitcher whizzed the ball to first. (verb-transitive)
• A whirring or hissing sound, as of an object speeding through air. (noun)
• A rapid passage or journey. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Her proto-hippie collection was safe, sellable and sort of pretty (if you enjoy dressing from the Urban Outfitters clearance rack) but far from the dazzle that was the work of Mondo, the elfin whiz who has wowed us week after week."
• "I do a dozen eggs at a time in whiz them up in the blender."
• "At the other end of the sofa sits my good friend Adam (all names in this piece have been changed) — a Jewish science whiz from the New York suburbs who ate magic mushrooms one evening, had a vision, and switched from pre-med to English literature."