no flies on

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 (one)

One is very active or works at a fast pace. Alludes to the idea that flies do not or cannot settle on fast-moving animals. There are certainly no flies on Judy. She works so fast that the rest of her team can't keep up with her.
See also: flies, no, on
Farlex Dictionary of Idioms.

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.
See also: flies, no, on
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • no flies on (one)
  • no flies on one
  • no flies on somebody
  • there are no flies on
  • there are no flies on someone
  • There's no flies on
  • whip by
  • fast and furious
  • run at a fast clip
  • ride hell (bent) for leather, to