one-off

The former senior intelligence official said the hacking bore the hallmarks of a “campaign,” and not a one-off operation.

Most Cacophony events were one-off affairs, just enough to jam the culture a bit before moving on.

Kennedy disliked having girlfriends, preferring one-off conquests instead, but made an exception for Mary Meyer.

That could be much more effective than a high-profile, one-off high-level Kerry visit.

I did a one-off episode of The New Normal for Ryan Murphy, and that was the first time I played a gay role.

A little one-off, a changeling without clan or magic of any kind.

One-off-two, one-off-three, etc.: When your opponent has played two strokes more your next stroke is one-off-two, and so on.