thanks for nothing
An expression of annoyance, exasperation, or disappointment when someone does something unhelpful or disagreeable. Thanks for nothing, Dan. Now I have to go get all these posters reprinted because of your stupid typo. I can't believe you squealed on me to the principal! Thanks for nothing!
thanks for nothing
People use thanks for nothing to tell someone in an angry way that they are disappointed that that person has not done what they wanted. Dad's request for a small-business loan was turned down (thanks for nothing, Sunnings Savings & Loan!)
thanks for nothing
used ironically to indicate that what someone has done or said is extremely unwelcome to you.