Brand New Meme

So a friend's response to one of the five idiosyncrasies memes made me think...

What are the jokes people make about something about you--your name, your physical appearance, your job, your background--that you just really don't find funny, even when they mean well or are just teasing?

For example, for me, the whole "those who can, do, those who can't, teach" joke. Never find it funny. Ever.

Go ahead a cut/paste the question and list your trigger Not!Funny jokes. I'm going to ponder and do the same, because I know there are more...