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English definition of “fly on the wall”

fly on the wall

If you say that you would like to be a fly on the wall in a certain situation , you mean that you would like to be there secretly to see and hear what happens .Using the eyesEyesight, glasses and lensesThe eye and surrounding areaPerceptive
(Definition of fly on the wall from the Cambridge Learner's Dictionary © Cambridge University Press)

Definitions of “fly on the wall” in other dictionaries

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