in (one's) heyday(redirected from in hay day)
Like this video? Subscribe to our free daily email and get a new idiom video every day!
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.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.