Contraction of the sentence "Oh my god" plus the added "zor" from internet slang.
Omgzor!! hawt chikzors!
by Polorutz December 14, 2005
omgzorz, with an S, it sucks also see it sucks
omgzors im a noob who cant say omgzorz
by ZOMG'DER December 03, 2004