We know that the skies are open season for all manner of drone traffic, from missile launchers to beer droppers.
This public dustup signaled to Ahmadinejad's domestic opponents that it was open season on the president.
She was quite alone with her boy, with the wakened Indians preparing for their labours of the open season.
And each end of the open season I'll get around and open the cache.
There was a venison steak done to a turn, for the doctor had hung a deer in his ice house at the end of the open season.
And for these they demanded equipment and supplies for the open season's hunt.
On the close of the open season they were paid the balance due them.
I suppose if it was the open season for Cubans, you'd go out with the dog and tree a few!
It was open season for every kind of crook work that the minds of men could invent.
He had been away on this distant work all the open season of 1889-90.
The time when persons may be harmed, insulted, etc, with impunity: If we leave, it will be open season on Americans globally
[1914+; fr the time when game may be legally hunted, the term found by 1896]