Similar to OMG (Oh my god!), but ending with a fashionable "osh" to imply "Oh my gosh!", which isn't "Oh my god!", which is important, if importance was the issue. Which it's not.

It's just short for "Oh my gosh!".

when you're hungover as shit after a spending a night drunk as a skunk

Less offensive than "Oh my God" It became a combination of "Omg" and "gosh." Used as a expression of surprise, shock, or even joy

A variation of OMG (traditionally understood to stand for "Oh my god") used either to avoid accusations of blasphemy or just for the sake of whimsy.

Mostly used by teenage girls on kids shows.

means oh my gosh. used by bible bashers who dont want to use gods name in vein.

For anyone that decides omg is overrated, and feels the need to be different. Also has a cutesy feel to it.