/ ˈfɪdʒɪt; NAmE / verb , noun
■ verb
[ v ] fidget (with sth) to keep moving your body, your hands or your feet because you are nervous, bored, excited, etc. :
Sit still and stop fidgeting!
■ noun
a person who is always fidgeting
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WORD ORIGIN
late 17th cent.: from obsolete or dialect fidge to twitch ; perhaps related to Old Norse fikja move briskly, be restless or eager.