An abbreviation of “Oh My God commonly used for texting to shorten the sentence
( Oh my gosh ) Being surprised or impressed with something.
"OMG thank you so much for the gift! I love it."
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!