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1 definition by
lost_girl
mmi
A term used to describe people who are
mentally retarded
. It stands for Mildly Mentally
Impaired
. Also used as a different insult, instead of using the word
retarded
.
Rachel
: You are such an idiot.
Brian
: Well, you're
MMI
.
by
lost_girl
August 6, 2005
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mmi
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