be all fingers and thumbs

be all fingers and thumbs

To be clumsy with one's hands. Primarily heard in UK, Australia. Tom could never be a surgeon—he's all fingers and thumbs. Can you sew this button on for me? I'm all fingers and thumbs.
See also: all, and, finger, thumb
Farlex Dictionary of Idioms.

be all fingers and thumbs

be clumsy or awkward in your actions. British informal
In the mid 16th century this idea was expressed in the form each finger is a thumb. All thumbs developed in the 19th century as an expression indicating a complete lack of dexterity.
See also: all, and, finger, thumb
Farlex Partner Idioms Dictionary
See also:
  • all thumbs
  • all thumbs, to be
  • be all thumbs
  • smooth move, Ex-Lax
  • ham-fisted
  • flail around
  • flail
  • flail about
  • awkward as a cow on a crutch