Acronym for "Missing In Action". Though the term has military origins, it is also used to simply imply that a person hasn't been seen in some period of time.
"She's MIA lately."
2π 5π
Term for a person, preferably a girl, that always ends up really salty and her soul ends up being "missing in action" (hence the name MIA)
My friend was such a MIA today because she got a 54 as her final average in Algebra.
2π 6π
Sometimes cool and fun to be around but sometimes very rude. May talk about you behind your back.
Happy:π’π
Lappy: U were just sad what happened
Happy: I was just with mia
5π 24π
A name given to anyone who is acting extremely VSCO or for being a dumbass.
Usually begs for advice from other people.
"OMFG Jessica is being such a fucking mia."
1π 2π