Idiom
able to do something blindfolded and able to do something standing on one's head
Theme: SKILL
able to do something easily and quickly, possibly without even looking. (Informal. Able to can be replaced with can.)Bill boasted that he could pass his driver's test blindfolded.Mary is very good with computers. She can program blindfolded.Dr. Jones is a great surgeon. He can take out an appendix standing on his head.