1) Idly fiddle with 2) Jam band 3) Rotate lightly 4) To move around 5) To play with anything 6) Turn 7) Turn about 8) Twirl without purpose 9) Twist 
• (v. i.) To play with anything; hence, to be busy about trifles. • (n.) A pimple. • (n.) A slight twist with the fingers. • (v. t.) To touch lightly, or play with; to tweedle; to twirl; as, to twiddle one`s thumbs; to twiddle a watch key.
[n] - a series of small (usually idle) twists or turns 2. [v] - manipulate, as in a nervous or unconscious manner
noun a series of small (usually idle) twists or turns