[twid.dle] vb twid.dled ; twid.dling [origin unknown] vi (ca. 1540) 1: to play negligently with something: fiddle
2: to turn or jounce lightly "~s round and round in the water --J. B. S. Haldane" ~ vt: to rotate lightly or idly "twiddled his cigar --James Lord" -- twiddle one's thumbs : to spend time idly: do nothing
[2]twiddle n (1774): turn, twist