fel mish mish
Arabic phrase that literally means "When apricots bloom". However, it is used to indicate something impossible, or that you are not willing to do something. It is pretty comparable to "not a chance in hell" in English
Person A: When will Egypt ever win the FIFA world cup?
Person B: Felmishmish
OR
Person A: Bring me a cup of tea!
Person B: Fel mish mish
Person B: Felmishmish
OR
Person A: Bring me a cup of tea!
Person B: Fel mish mish