Twid"dle (?), v. t. [Probably of imitative origin. Cf. Tweedle.] To touch lightly, or play with; to tweedle; to twirl; as, to twiddle one's thumbs; to twiddle a watch key. [Written also twidle.] Thackeray.

Twid"dle, v. i. To play with anything; hence, to be busy about trifles. Halliwell.

Twid"dle (?), n. 1. A slight twist with the fingers.

2. A pimple. [Prov. Eng.] Halliwell.

Twid"dle (?), v. t. [Probably of imitative origin. Cf. Tweedle.] To touch lightly, or play with; to tweedle; to twirl; as, to twiddle one's thumbs; to twiddle a watch key. [Written also twidle.] Thackeray.

Twid"dle, v. i. To play with anything; hence, to be busy about trifles. Halliwell.

Twid"dle (?), n. 1. A slight twist with the fingers.

2. A pimple. [Prov. Eng.] Halliwell.

• to wiggle, fidget, or play with; to move around
       She sat and nervously twiddled her hair while she waited.
  
• (computing) to flip or switch two adjacent bits