Abbreviation for Oh My Fred and George. Predominantly used by fans of J.K.Rowling's bestseller series Harry Potter, it is a censored version of OMFG that is used to express approval or awesomeness.
Oh My Fucking Noodly Apendage.
Variation on the well known OMFG or OMG for pastafarians.
Unlike OMG or OMFG however, it is mostly used to express ones excitement for something.