We move just like tigers on vaseline - Hang onto Yourself, Bowie
Vaseline is also used as a lubricant for solo sexual activities if you know what I mean, not just for anal sex. So maybe tigers on vaseline is meaning like the fingers sliding up and down the shaft of a penis looks like tiger stripes. Seriously. Look real close. And doesn't it seem that Hang on to Yourself sounds more like masturbation than like anal sex?