He fidgeted with his notes while lecturing.
An example of fidget is a child who moves around a lot in his chair on a plane because he is restless and bored.
A bored child who had the fidgets.
- behavior characterized by restlessness, nervous movements, etc.
Idioms and Phrasal Verbs
Origin of fidget
- From obsolete and dialectal fidge to move restlessly perhaps from Middle English fiken of Scandinavian origin
From American Heritage Dictionary of the English Language, 5th Edition