■ verb
1》 play or fiddle with, typically in a purposeless or nervous way.
2》 archaic turn or move in a twirling way.
■ noun
1》 an act of twiddling.
2》 a rapid or intricate series of musical notes.
Phrases
~ one's thumbs have nothing to do.
Derivatives
~r noun
twiddly adjective
Origin
C16 (in the sense 'trifle'): appar. imitative, combining twirl or twist with fiddle .