At Whims and Fancies?

We decided, more or less on a whim, to sail to Morocco... The premium can increase at the whim of the insurers... A fancy is a liking or desire for someone or something, especially one that does not last long.

What is the meaning of whims and fancies?

1 : a capricious or eccentric and often sudden idea or turn of the mind : fancy quit his job on a whim.

How do you use whims and fancies?

Who but a fool would entrust his life to the hands of such a captain who steers his vessel according to his whims and fancies, and not by the Government chart? They are full of whims and fancies, changeable and unpredictable.