Twirling one's hair, e.g. (3)
I believe the answer is:
tic
(Other definitions for tic that I've seen before include "Nervous movement" , "Minor muscle spasm" , "Nervous habit" , "Spasmodic muscular twitch" , "Nervous response" .)
I believe the answer is:
tic
(Other definitions for tic that I've seen before include "Nervous movement" , "Minor muscle spasm" , "Nervous habit" , "Spasmodic muscular twitch" , "Nervous response" .)