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

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