No Offense...ha, ha
I hate this phrase. It always said after someone has said something that is mean and hurtful and they know it is going to hurt someone's feelings but they say it anyway. It was put at the end of some slander directed at stay at home moms whose wardrobe is restricted to sweat pants and things of that nature. To say that the comment hurt my feelings is an understatement. Don't say something mean and then say "No Offense", it isn't nice.
Just watch... you will notice lots of people saying it.