The reason behind my screenname/email address...

When I started on AOL, over 7 years ago, the screennames/email addresses were limited to 10 characters. As well, most screennames with the word Irish were already in use. I came up with Irishduds (duds=slang term for clothes) when I was using a screenname on my uncle's AOL Account. So, when I got my own AOL account, I just added the 2.