twiddle
verb
[ ˈtwɪd(ə)l ]
• twist, move, or fiddle with (something), typically in a purposeless or nervous way.
• "she twiddled the dials on the radio"
Similar:
turn,
twist,
swivel,
twirl,
adjust,
move,
jiggle,
fiddle with,
play with,
toy with,
fidget with,
twiddle
noun
• an act of twisting or fiddling with something.
• "one twiddle of a button"
Origin:
mid 16th century (in the sense ‘trifle’): apparently imitative, combining the notion twirl or twist with that of trifling action expressed by fiddle .