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 totallyhot."
Person B - "Achú Misin Qyü."
Person A - *cries*
Precedes or follows either a gratuitously disrespectful or honest remark, originated in New York City. Used in similar fashion to "no offense" or "to be honest," interchangeably.
Ya mans is wild buns, respectfully. Respectfully he's washed.
After school, The Modells on Jamaica Ave was active. Respectfully.