Acronym for 'oh my fucking god'. Usually used as a more extreme version of omg
Chatperson1: I lost my virginity last night.
Chatperson2: OMFG! That's awesome!
Chatperson1: I just beat the shit out of that ugly whore Nancy Hill
Chatperson2: OMFG XD your my idol!
Chatperson1: I FUCKING HATE YOU.
Chatperson2: OMFG, where is this coming from?
© 1999-2015 Urban Dictionary ®
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