twiddle

noun

1. a series of small (usually idle) twists or turns

Definition categories: act, turn, twist

verb

1. turn in a twisting or spinning motion

Similar word(s): swirl, twirl, whirl

Definition categories: motion, revolve, rotate

2. manipulate, as in a nervous or unconscious manner

- He twiddled his thumbs while waiting for the interview

Definition categories: contact, manipulate