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1. A Carissafied Interjection that shows great suprise.

2. An acronym for Oh My Toe!
"OMT! are you phrenirious?"
by Scotty February 06, 2004
An acronym for "Oh My Tetragrammaton".

Tetragrammaton being the hebrew word for God. Furthermore, it is a play on OMG, meaning "Oh my God".

omt became somewhat popular on the internet site the comatorium, a messageboard of the band The Mars Volta. Tetragrammaton is a track title off the 2006 release of Amputechture.
"omt, omar is so pretentious and he noodles around soamuch. Turn Ikey up."
by vaginitis October 15, 2006