Noun
snap of a finger
A minimum of effort.
With her seductive ways, she could have him within the snap of a finger.
There was a time when I kept track of it all; when my mind worked like a giant lint brush being swept over the fuzzy surface of popular culture. But these days, pop culture seems to have gotten fuzzier and fuzzier; notoriety comes and goes in the snap of a finger. Susan Orlean