zomg means the same as omg but with a sarcastic twist. obviously sarcastic doesn't start with z but Jacob and Logan like to think it does.
by Ghetto Sheep March 09, 2005
ZOMG is OMG with a sarcastic twist. Logan and Jacob were really tired and nothing made sense so they said ZOMG (a typo at the time) was OMG but sarcastic
by Ghetto SHeep March 08, 2005