It was meant to be a tongue-in-cheek way of pointing out that a it's a Linux distro without the Linux kernel, so it's really an "unLinux distro", or an (un)dist

It was meant to be a tongue-in-cheek way of pointing out that a it's a Linux distro without the Linux kernel, so it's really an "unLinux distro", or an (un)distro for short.