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Acronym for the interjection "oh, my mother fucking god". Commonly used as a quick way to express alarm, amazement, or dismay.
...then i was liek ommfg cos she was such a hottie and...
ommfg by mepmep November 2, 2003
Related Words
OMHMFG ommfg OMHFG ommfgdg
ommfg, did you see that
ommfg by XAmberxSixxX October 22, 2008
Ommfgdg! stands for Oh my mother fucking god damn god! Used on IM like MSN, to be used when omg or omfg is an understatement.
Ally says : And thn rite, he goes, "i didnt mean 2 lead u on i thought u understood that n im stil in love wiv her"

Bernie says: Ommfgdg!
ommfgdg by x_ally October 17, 2006
D_A Gurl : OMHFG, did u see that ?
Bob : Oh, Yea. O.O
Means 'oh my motherfucking god'
Person 1: OMMFG
Person 2: what, did that bitch talk shit about you again?
ommfg by trackingcookyes2 January 28, 2019