do (something) blindfolded

do (something) blindfolded

To do something with very little or no difficulty, due to knowing it so well; to complete or accomplish something in a relaxed, carefree, or effortless manner since one is so familiar with it. It took me a little while to get used to this job, but now I could do it blindfolded! You should ask Johnny for help. He could do this type of repair blindfolded.
See also: blindfold
Farlex Dictionary of Idioms.

do blindfolded

Also, do standing on one's head. Perform very easily, as in Dave said he could do the income tax return blindfolded, or An excellent carpenter, he could do just about anything standing on his head. For a synonymous hyperbolic expression, see with one arm tied.
See also: blindfold
The American Heritage® Dictionary of Idioms by Christine Ammer.
See also:
  • able to do (something) with (one's) eyes closed
  • able to do with eyes closed
  • able to do blindfolded
  • able to (do something) blindfolded
  • able to (do something) with (one's) eyes closed
  • able to do (something) standing on (one's) head
  • a/the feel of (something)
  • (I) wouldn't (do something) if I were you
  • a straw will show which way the wind blows
  • a crack at (someone or something)