able to (do something) blindfolded
Very adept at doing something, with very little or no difficulty; able to complete or accomplish something in a relaxed, carefree, or effortless manner. It took me a little while to get used to this job, but now I'm able do it blindfolded! You should ask Johnny for help, he's able to do calculus blindfolded. Corinne can teach you how to do a cartwheel, she's able to do stuff like that blindfolded.
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