no flies on
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Related to no flies on: fly into a rage, dropping like flies, flew off the handle, flew in the face, flies in the face of
no flies on someone
Fig. someone is not slow; someone is not wasting time. (On the image of flies not being able to land on someone moving fast.) Of course I work fast. I go as fast as I can. There are no flies on me. There are no flies on Robert. He does his work very fast and very well.