Way back in the seventies, before I was born, when the world was young and dinosaurs walked the earth, a Steely Dan promo for radio DJs came with a tacky t-shirt. It was pink. Which was useless given most DJs were men. And it only had the words "Steely Dan t-shirt" printed on it. It was, however, incredibly, -credibly rare, so it became a sought-after collector's item.
Steely Dan themselves commented on that in another song, Show Business Kids: "They got the house on the corner, with rug inside; they got the booze they need, all that money can buy; they got the shapely body, they got the Steely Dan t-shirt" — casting the shirt as the ultimate empty status symbol.
This is how I remember the story. I'm making a special point out of not looking it up to check, because it's a legend, guys, drift is practically a requirement! That said, the Steely Dan site usually makes for a good read. And so do the Steely Dan dictionary and possibly the interpretations site.
Anyway, I always wanted one, because it was so … HHOS or something. Not taking itself seriously to just the right degree.