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A Mentabuser is a person who mentally causes your mind to go in 10 different directions. They make you think that they are into you, and then a couple minutes later they act like they are not really into you anymore. They sound like a completely different person from one conversation to the next. They seem super bipolar in a relationship setting.
'AR' is continuously getting mentabused by 'SH' because he keeps saying he wants to hang out with her, but when the time comes to hang out, he acts like he isn't really interested in chilling. He is a Mentabuser.
by CR_328 February 09, 2014
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