whistle for something
(one) can whistle for it
A phrase used to indicate the intent to withhold something from someone. After the way she treated me yesterday, I refuse to do her laundry anymore—she can whistle for it from now on!
whistle for (someone or something)
1. To summon or signal for someone or something by whistling with one's mouth. It drove me crazy the way he whistled for the waiter during our meal—it was just so rude and arrogant. Needless to say, I don't think we'll be going on a second date.
2. To expect something with no chance of ever getting it. Usually said as a sarcastic demand or instruction. If you want us to pay for your legal bills, well, you can just whistle for it.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
whistle for somethingOLD-FASHIONED
If you tell someone that they can whistle for something, you are telling them rudely that you will not give it to them. And if he wants a pay-rise, as far as I'm concerned, he can whistle for it! Note: There was an old superstition among sailors that they could make the wind blow by whistling.
Collins COBUILD Idioms Dictionary, 3rd ed. © HarperCollins Publishers 2012