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Internet acronym and play on 'OMG'. Literally, it is translated as 'Oh my mother-fucking Buddha!" However, the second 'm' can be removed or the entire 'mf' if one so chooses.
Lauren: "Ahh!! I got into Yale!"
Ty: "OMMFB! That's been your dream school for like ohmigosh ever"
by WikiLewLew February 25, 2009

Words related to ommfb

ohmigosh ohmygosh omb omfb omg