dial. [f. THUMB sb.: cf. handle.] trans. To touch with or as with the thumb; to handle clumsily; to fumble.
1623. Wily Beguiled, C iv b. Stay quotha? To bee yauld and fauld at, and tumbled and thumbled [ed. 1606 tumbled and tumbled], and tost and turn’d as I am by an old Hagge.
1829. Brockett, N. C. Gloss., Thrumble, or Thumble, to handle awkwardly—to thumb.
