It is a figure of speech used when sarcastically trying to say oh really mate? If someone uses this on you, you must reply with Ma or Ha em as it shows respect to the other person and asserts dominance over the other person. Ha em is also used as a reply because the phrase oh em originates from oh Emma. Specifically Emma Watson the absolute reason why boys simp

oh my god; omg

Phonetic spelling of the term omg. This is how you would pronounce the acronym, or spell it out sarcastically.

The extended version of OMG (oh my god/gosh/goodness). But, you may be asking, doesn't extending an acronym in text talk defeat its purpose? Yes, yes it does.

The literal spelling of OMG... usually used when OMG just isn't good enough to stress something.

A counter to the popular Internet acronym: OMW. Used to either poke fun at people's incessant use of Internet lingo, or just to be a jack-ass.

An alternative to "omg" or "oh my god".