No one has, thankfully. If they did, I'd make a point to laugh at them afterwards. xD;
I hate that term.
Saying 'ohmygod' is fine, and when I type out 'omg', my mind reads it out as 'oh my god'. It's kind of like how I read out 'RP' as 'roleplay', but actually saying "oh em gee" is totally lame, and I hate it. xD; Don't mean to offend anyone who says it.. just.. ugh. It annoys me, because it sounds so.. stupid.