OMG

Definition from Wiktionary, a free dictionary

[edit] English

[edit] Initialism

OMG

1. (Internet, slang) oh my God.
2. (Internet, slang) oh my gosh.
3. (slang, feminism) oh my Goddess.
4. (computing) Object Management Group (who define CORBA).
5. (Internet, slang) oh my goodness.
6. (Swedish, Internet, slang) omogen Immature.

[edit] Usage notes

Variants include OMFG (for oh my fucking god), OMGZ (emphatic, for oh my gods or oh my goddess), and ZOMG (emphatic, in the same sense of LOLZ).