in (one's) heyday

(redirected from in their heyday)
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in (one's) heyday

In, at, or during the period of one's greatest success, power, vigor, etc. In my heyday as a stock broker, I was making millions of dollars each year, but when the economy crashed, I lost nearly everything.
References in periodicals archive ?
Not infrequently, in their heyday, classical liberals found themselves ranged against a practical alliance between the extreme Tories to their one side and the Jacobins on the other.
Each generation gravitates to the colors that were hot in their heyday.
In their heyday Harry Shaw's had up to a hundred coaches going to various corners of the country - but since 1985 it has changed.
Of the nine Sixties acts presented, the one I'd most like to have seen in their heyday was The Animals.
Neither are open to the public, although you can peer through the windows and see how they might have been set up in their heyday.