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*
another term for a station wagon, mini-van, or any other kind of vehicle that is targeted at the "family" demographic(also M.A.V.)
"Tactical advantages aside, the M.A.V. is top of the line for the holy warrior troop transport manufactured by the Church of Latter Day Saints Military Industrial Complex. Also great for family trips...to heathen lands."
12 step recovery jargon referring to someone new who talks about how great life is, now that they'resober. Usually meaning that the person is out of touch with reality.
The new guy seems pretty happy for a dude who has no job, no money and no family. He must be on a pink cloud.