whiz

n : someone who is very highly skilled [syn: {ace}, {adept}, {sensation},

{maven}, {virtuoso}, {genius}, {hotshot}, {star}, {whizz},

{wizard}, {wiz}]

v : make a soft swishing sound, as of a motor working or wings

flapping [syn: {whizz}, {whirr}, {whir}, {birr}, {purr}]