omg

Phrase

 * 1) Oh my God.
 * 2)  Oh my gosh.
 * 3)  Oh my goodness.
 * 4)  Oh my Goddess.
 * 1)  Oh my Goddess.

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).