English Reference
Idiom idiom

no flies on


No mental weaknesses, character defects, or other significant flaws belonging to.

Meaning adapted from Wiktionary, available under CC BY-SA 4.0.


SIMPLE

There are no flies on her when it comes to math.

There are no flies on you today.

There are no flies on them during the game.

CONTEXTUAL

You cannot trick him with a fake offer because there are no flies on him.

The mechanic fixed the engine in minutes because there are no flies on her when she looks at a broken car.

You should be careful during the negotiation because there are no flies on the lawyer representing the other side.

The store owner noticed the counterfeit bill immediately because there are no flies on him when he handles cash at the register.

COMPLEX

Despite his unassuming appearance, there are no flies on the new manager, who quickly identified the systemic inefficiencies within the department.


A nineteenth-century litotes from the observation that a person of sufficient activity and mental alertness does not remain stationary long enough for flies to settle upon them. The expression suggests the absence of the torpor required for an insect to consider a human a convenient landing site.


Related idioms6entries
  1. 01

    as the crow flies

    In a straight line distance between two locations, as opposed to the road distance or over land distance.

  2. 02

    as the gull flies

    In a straight line distance between two locations, as opposed to the road distance or over land distance.

  3. 03

    catch flies

    To have one's mouth wide open for a prolonged period.

  4. 04

    drink with the flies

    To drink alcohol while alone.

  5. 05

    lord of the flies

    a ruler over a worthless kingdom; leader of a meaningless microcosm.

  6. 06

    time flies

    Time passes quickly.

Last updated August 10, 2026