When someone is acting like a drunken, anorexic, abusive, inconsiderate, compulsive lying, psycho bitch.
Action: getting drunk and beating up your boyfriend then playing the victim.

response: Why are you being such a mandi?
by not mandi August 17, 2007
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Slang for Mandrax, the British brand name for the sedative methaqualone, also sold by Rorer (later Lemmon) as Quaalude. A very popular drug of abuse in the late 70s but was eventually placed on DEA Schedule 1 and is no longer in manufacture.
Wanna buy some Mandies, Bob? -- spoken by Frank Zappa in the song "Flakes" on the album "Sheik Yerbouti"
by Johnny Watt December 30, 2013
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The most beautiful caring lovable adorable cute girl who’d you better wife up if you meet her
by What’s g00d September 16, 2019
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1) An evil girl from The Grim Adventures of Billy and Mandy/Grim & Evil
2) A name for a usually nice and pretty woman
3) Nickname for some drug.
1) Mandy is the female Stewie Griffin
2) I like Mandy, she's hot
3) I have a drug called Mandy, what else?
by ArandomguywholikesTouhou November 16, 2013
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Mandi is a very upbeat person and is very nice to everyone. She is a friend to all and doesn't tell all the secrets she knows. When she loves someone it is for real. So to that comment about her beating up her boyfriend, it isn't true. People should look in the mirror before they write somthing about someone else! The truth hurts!
Mandi is a very upbeat person and is very nice to everyone. She is a friend to all and doesn't tell all the secrets she knows. When she loves someone it is for real. So to that comment about her beating up her boyfriend, it isn't true. People should look in the mirror before they write somthing about someone else! The truth hurts!
by itsmecanyoubelieveit May 1, 2009
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Originated from the Greek word Mandimandioti.

v. To give someone a Mandis is to put a woman in a wheelbarrow, cover her with dirt and then fuck her.

*Please note that this does not work with guys because guys don't have fucking pussies!
Man 1: "What's wrong with your sister? She looks all dirty."
Man 2: "Oh that dude Mandissed her."
Man 1: "That's horrible!"
by The guy with the big DICtionar December 13, 2009
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name given to those in godly positions of brilliance and also is a funny name given to strange weird men.
OMG did you just see that mandy walk past!? ;)
by lucy jones November 6, 2007
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