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The Daily Insight

Where does the phrase on the fly come from?

Author

Daniel Martin

Updated on March 16, 2026

In a hurry, on the run, as in I picked up some groceries on the fly. The transfer of this expression, which literally means “in midair or in flight,” dates from the mid-1800s.

Similarly, it is asked, what does the phrase on the fly mean?

On the fly is a phrase used to describe something that is being changed while the process that the change affects is ongoing. Switching computer parts on the fly means computer parts are replaced while the computer is still running.

Subsequently, question is, where does the term fly by night come from? You old fly-by-night; an ancient term of reproach to an old woman, signifying that she was a witch, and alluding to the nocturnal excursions attributed to witches, who were supposed to fly abroad to their meetings, mounted on brooms.

Herein, where does the phrase winging it come from?

Improvise, as in The interviewer had not read the author's book; he was just winging it. This expression comes from the theater, where it alludes to an actor studying his part in the wings (the areas to either side of the stage) because he has been suddenly called on to replace another.

What does catch you on the fly mean?

phrase [PHRASE after verb] If you do something on the fly, you do it quickly without thinking about it or planning it in advance, especially while something else is happening. [informal] It was all pretty much done on the fly.

Related Question Answers

What is another way to say on the fly?

What is another word for on the fly?
spontaneously impromptu
ad-lib on the spot
in the heat of the moment without thinking
off the cuff on impulse
on a whim on the spur of the moment

What does it mean off the cuff?

: not prepared in advance : spontaneous, informal off-the-cuff remarks.

What does shift on the fly mean?

What is Shift on the Fly? Shift on the fly is made up of automatic hubs that automatically lock and disengage. The electrical mechanical motor works with a vacuum line to cause it to go in and out of gear. It's important to note that if the vacuum line is blocked, four-wheel drive will not engage.

What does ad hoc mean?

for this specific purpose

What is the synonyms of quickly?

(Idiomatic) Instantaneous, very quick. Find another word for quickly. In this page you can discover 93 synonyms, antonyms, idiomatic expressions, and related words for quickly, like: flashing, speedily, hurrying, hastily, swiftly, hurriedly, shooting, rapidly, rushing, apace and darting.

What does winged it mean?

informal. : to do or try to do something without much practice or preparation I hadn't practiced the part, so I got up there and winged it.

Where did a wing and a prayer come from?

Origin of On a Wing and a Prayer

This expression originated during World War II. It appeared in a film called The Flying Tigers in the year 1942. One of the pilots in the military had lost one wing of his plane, so he was trying to land using only one wing and a prayer.

What is the past tense of wing it?

The past tense of wing it is winged it. The third-person singular simple present indicative form of wing it is wings it. The present participle of wing it is winging it.

What does the phrase on a wing and a prayer mean?

informal. : without much chance of success She took the job on a wing and a prayer.

What does rule of thumb mean idiom?

The English phrase rule of thumb refers to a principle with broad application that is not intended to be strictly accurate or reliable for every situation. It refers to an easily learned and easily applied procedure or standard, based on practical experience rather than theory.

Do the trick means?

Definition of 'do the trick'

If something does the trick, it achieves what you wanted. [informal] Sometimes a few choice words will do the trick. Synonyms: work, fit the bill, have effect, achieve the desired result More Synonyms of do the trick.

Is a fly by night flower real?

But botanists from the Royal Botanic Gardens, Kew, have uncovered a plant unlike anything else on earth - an orchid that blooms only at night. It's mystified scientists: the best explanation anyone can come up with for its unusual lifecycle is that it is pollinated by midges who fly around at night.

What is a fly by night company?

a fly-by-night business or worker does not offer good products or services and is likely to avoid paying debts or satisfying agreements by leaving the area: fly-by-night companies/contractors/operators. (Definition of fly-by-night from the Cambridge Business English Dictionary © Cambridge University Press)