To fidget is defined as to make small movements, often because you are restless, nervous or uncomfortable.
An example of fidget is a child who moves around a lot in his chair on a plane because he is restless and bored.
To behave or move nervously or restlessly.
To play or fuss; fiddle.
He fidgeted with his notes while lecturing.
To cause to behave or move nervously or restlessly.
A condition of restlessness as manifested by nervous movements. Often used with the:
A bored child who had the fidgets.
One that fidgets.
The state of being restless, nervous, or uneasy.
A fidgety person.
To move about in a restless, nervous, or impatient way.
Origin of fidget
From obsolete and dialectal fidge to move restlessly perhaps from Middle English fiken of Scandinavian origin