Definition of there are no flies on —— in English:

(there are) no flies on ——

Used to emphasize a person’s cleverness and astuteness: no flies on Phyllis—she paid six months in advance
More example sentences
  • Yorkshire were seen home in 26.5 overs by Wood and Phil Jaques, Wood ending with 41 from 68 deliveries, and there were certainly no flies on Yorkshire as they headed north in the early evening sunshine.
  • You could say there were no flies on Kevin when it came to football.
  • Yep, no flies on our Stevie, whose last gig was as Secretary of State for Indian Affairs and Western Economic Diversification.
See parent entry: fly

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Word of the day anomalous
Pronunciation: əˈnämələs
adjective
deviating from what is standard, normal, or expected