whiz

(noun) someone who is dazzlingly skilled in any field. Synonyms: ace, adept, champion, sensation, maven, mavin, virtuoso, genius, hotshot, star, superstar, whizz, wizard, wiz.

(noun) a buzzing or hissing sound as of something traveling rapidly through the air. Example: "He heard the whiz of bullets near his head."

(verb) make a soft swishing sound. Synonyms: whizz, whirr, whir, birr, purr. Examples: "The motor whirred." "The car engine purred."