To move one's fingers or hands in a nervous or aimless fashion
You'll probably have to twiddle some knobs on your cassette deck to get the levels just right.
twiddle some knobs on your cassette deck to get the levels just right.
twiddle the dial on our internal radio hoping to latch onto something we can hear.
John's contribution much appreciated ), simply arranged, with the odd horn and little guitar twiddle here and there.
A quick twiddle of the focussing ring and set up was done.