Pronounced "Me-ah skooj". A term used to describe someone who is really aesthetic and cool. Always trust a MIA SKJ. They will always be cool.
M - Might give you a dollar
I - Interesting and really cool as well
A - Aesthetic AF
S - So like, chill
K - Kool Kid
J- Just really amazing
Mary: Oh shit, your such a MIA SKJ!
Mia: Oh thanks dude.
Mary: I gotchu fam
Mia: Now we pray to the goddess, MIA SKJ.