haydays

be in (one's) heyday

To be in the period of one's greatest success, power, vigor, etc. I was making millions of dollars each year when I was in my heyday as a stock broker, but when the economy crashed, I lost nearly everything. Everyone thought she was in her heyday when she won her gold medal at the Olympics, but her athletic career was only just beginning. I had a lot of powerful enemies when I was in my heyday as a mob boss.

See also: heyday

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. Everyone thought she was in her heyday when she won her gold medal at the Olympics, but her athletic career was only just beginning. I had a lot of powerful enemies when I was in my heyday as a mob boss.

See also: heyday

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