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 been MIA since the bar last night.
The author suddenly went MIA.
by fuckyourgrandma May 19, 2019
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A very small girl who acts very innocent and sweet, but is really two faced. She will stab you in the back when you least expect it. Perhaps (and most likely) when you are closest to her. Ver overdramatic and acts like she can take anyone on at anytime but is realistically very weak. Mias are (generally) very toxic.
Person 1: Wow! Mia's being really nice to me! We're really becoming close!
Person 2,3,4,&5 share an uneasy glance
Person 1: What is it?
Person 2: She screwed me over... Really bad.
Person 3: Same!
Person 4: Yeah...
Person 5: Likewise- and we were best friends!
Persons 2,3,&4: EXACTLY!
by Ourlittlecosmo December 31, 2018
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mia is a LITTLE hoe who doesn’t have a booty watch out for this girl she wack🤦🏽 ♀️
Girl: Do you see that girl she is such a hoe?
Boy: Must be a Mia
by hottie rat October 27, 2018
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mia is a asshole none of her friends like her, everyone she meets she is instantly a dick to them. she’s not funny and try’s to hard
i think mia hates me
by fucky numb August 19, 2019
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buliMIA nervosa. Short term for bulimia. When you binge (eat a lot) and then purge(take laxatives/throw up on purpose) to get it out of your system. Supporters usually wear purple bracelets.
"Holy shit, I just had a huge bowl of ice cream, a pack of oreos and pizza... Fuck that's gotta be like 1000 calories! I'm gonna go take some laxatives/throw up to get it out of my system so I don't gain weight!"

"I always use MIA as a last resort when I binge, that way I don't gain weight."
"Ew, are you serious? That's soo gross. And you could die that way really easily..."
by Punk.Rock.Princess April 19, 2006
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A ghetto hoe with a big mouth with the throat of a donkey and cant shut the hell up, an oppisite to mia B but just as much of a piece of shit, and only liked for her body.
Tyler: bro did you see that girls ass
Ryan: yeah but I heard shes a total Mia A.
by definition charcoal December 9, 2018
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