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. [ 1913 Webster ]
v. i. To play with anything; hence, to be busy about trifles. Halliwell. [ 1913 Webster ]
n. 1. A slight twist with the fingers. [ 1913 Webster ]
2. A pimple. [ Prov. Eng. ] Halliwell. [ 1913 Webster ]