The shop is only open 'at the whim' of the owner. [=the shop is only open when the owner wants it to be open]
Her husband tries to 'satisfy her every whim'. [=make her happy by doing everything that she wants]
He quit his job 'on a whim'. [=because of a sudden decision]
(..) La-la-la-la...ohhh... I'm supposed to attach a brackety thing to the side things, using a bunch of these little worm guys. I have no brackety thing, I see no whim guys whatsoever and- I cannot feel my legs. - I'm thinking we've got a bookcase here. - It's a beautiful thing. What's this? (..)1994 TvShow: Friends Title: The One Where Monica Gets a Roommate Season: 1 Episode 1