Top Definition
It stands for, Oh My Joe Jonas Is So Hot. It can commonly be used as OMNJISH, or even OMKJISH, which would mean oh my nick/kevin jonas is so hot.
Girl 1: Did you see the Jonas Brothers at the AMA's last night?
Girl 2: OMJ I did! OMJJISH!
Girl 1: Totally! OMNJISH!
Girl 2: True true!!
by JonasFan_94 January 18, 2009
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