In your dreams is a mocking way of dismissing somebody's hope. Promotion this year, in your dreams.
It is stronger than you wish and can sting. Like you wish it works only against something somebody wanted rather than expected.
1phrasein your dreamsA mocking way of dismissing somebody's hope.
“He asked for a window office and was told in your dreams.”
in your dreams is a phrase.
Practised in Small Talk & Everyday Phrases