What does BAE mean in dating?

To call someone bae is to refer to them as your significant other. But bae can be used in other forms, often to say you like something. For example, to say I love cats, say cats are bae. Most likely bae is the shortened form of babe or baby, Dictionary.com says.

Is OMG using Gods name in vain?

If you say something like Oh my God, then youre using His name in vain, but if youre saying something like OMG its not really using the Lords name in vain because youre not saying Oh my God. Its more like Wow. Words like gosh and golly, both dating back to the 1700s, served as euphemisms for God.