fidget

nouns

a feeling of agitation expressed in continual motion

"he's got the fidgets"; "waiting gave him a feeling of restlessness"

fidget, fidgetiness, restlessness

is derived from

move restlessly

"The child is always fidgeting in his seat"

fidget

is a type of (narrower)

move so as to change position, perform a nontranslational motion

"He moved his hand slightly to the right"