ofmg 

A misspelling of OMFG. Means "Oh fucking my god." Related to l33t.

1. OFMG, oh noes! That n00b pwned 73h uber l33t hax0r5!

ofmg by Someone random October 20, 2005

ofmg 

Oh Fuck My God

As a misspelling for omfg this was used as an excuse for missspelling omfg.

<Tom> OFMG
<Daniel> Oh Fuck My God

ofmg by DangerousB April 25, 2006

OFMGF 

Looks at first like a misspelling of OMFG, the OFMGF abbreviate means "Oh Fuck! My Girlfriend!"

Touch me there!
Yes let's - OFMGF G2G!!!!!

OFMGF by Nova><Master November 25, 2006