1) Act antsy 2) Act guilty 3) Act nervous 4) Act restless 5) Agitation 6) Be antsy 7) Be squirmy 8) Behave nervously 9) Betray antsiness 10) Betray nervousness 11) British slang for a secret 12) Fiddle 13) Fidgetiness 14) Handle 15) Move about restlessly 16) Move restlessly 17) Play 18) Restlessness 1) Dabble 2) Fidgetiness 3) Haste 4) Squirm 5) Wriggle 
• (v. i.) To move uneasily one way and the other; to move irregularly, or by fits and starts. • (n.) A general nervous restlessness, manifested by incessant changes of position; dysphoria. • (n.) Uneasiness; restlessness.
Fidg'et intransitive verb [ imperfect & past participle Fidgeted ; present participle & verbal noun Fodgeting .] [ From Fidge ; confer Middle English fiken to fidget, to flatter, Icelandic fika to hasten, Swedish ...Fidg'et noun 1. Uneasiness; restlessness. Cowper. 2. plural A general nervous restlessness, manifested by incessant changes of position; dysphoria. Dunglison. 
move restlessly make nervous 
Fidget is British slang for a secret.
[n] - a feeling of agitation expressed in continual motion 2. [v] - move restlessly
fidgetiness noun a feeling of agitation expressed in continual motion; `he`s got the fidgets`; `waiting gave him a feeling of restlessness`
to move about restlessly, nervously, or impatiently.
move restlessly