Sc. and north. dial. [Of obscure origin: cf. TWIT sb.2 and TWITTER sb.3] trans. To spin or twist unevenly, to make twitty.
1674. Ray, N. C. Words, 50. To Twitter Thread or Yarn, is to Spin it uneven.
1828. Craven Gloss., Twitter, to entangle, as thread which is too hard twisted.
1843. Whistlebinkie (1890), II. 165. Baith twittered and knottys the thread o our life.