Breaking or returning an object to a person in which that object no longer is able to serve its original function
Dude, did you medler my camera? It was working fine when I gave it you an hour ago.

My piece has been medlered. It no longer works anymore.
by 32girls1clit March 3, 2010
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When an ok looking girl goes out with a guy and then when he breaks up with her she turns ugly and psychotic. This was named after a high school student that had to get a restraining order from his crazy ex-girlfriend.
Guy 1: Yo you should totally hook up with Tara, she's so easy
Guy 2: Nah, that bitch got Medler's Syndrome
by PussyhunterBarzillay September 23, 2016
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