Loudon Wainwright III is not (to my knowledge) a lesbian, but this song, and especially the video, is very funny. It’s created out of anime cartoons and the choices are hilarious. Here’s the link: I wish I was a lesbian or just click on the image from the video at left.
The below is a Xena (sigh, Xena) themed video interpretation of the same song.
(updated with new videos)