OMG is a common internet expression with several variations such as
OML (oh my Lord).
OMG is an abbreviation of the phrase, ‘oh my god’, commonly used when someone is surprised at something. It can also be used as an expression of annoyance.
Generally, it’s used on
the internet, but it’s not unheard of for some people to say ‘oh-em-
gee’ in real life.
OMG as an expression of annoyance:
Anna: Do you wanna build a snowman?
Elsa: No.
Anna: Are you sureeeee?
Elsa: I’m sure!
Anna: Are you sure, sure-
Elsa: OMG, shut up, Anna!
OMG as an expression of surprise:
Hannah: Did you see what Tay did today?!
Layla: Ummm... no.
Hannah: She slapped Jay.
Layla: OMG, what a savage!