A person that you can't get to sleep, but is so innocent that you want to keep him as a pet.

Man that won’t fucking sleep

hacker-speak for the phrase, "i know". the word was originally part of The Unix Implementation by Ken Thompson of Bell Labs. in Unix, an inode is a file definition. It is part of a cylinder group, which is part of a filesystem, which is written on a disk drive.

in need of dick.

The node structure for an element of vfs is called a vnode. In hax0rspeak, vnode is used to one-up someone after they say "inode"..