Achú Misin Qyü
You say this term when someone is acting all ghetto to you, and you know that person is shit. It's all talk but no walk, so we say "Achú Misin Qyü" to represent.
Person A - "I am like so totally hot."
Person B - "Achú Misin Qyü."
Person A - *cries*
Person B - "Achú Misin Qyü."
Person A - *cries*