do blindfolded

Idioms  

1. 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.

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Example Sentences

She continues: "I save new recipes for when I have the energy, and I'm perfectly happy making the favorites I can do blindfolded the rest of the time. Novelty is a trap."

From Salon

Like De Niro, he’s a technical powerhouse of an actor playing a part he could do blindfolded.

From Slate