I've always taken it to mean she comes and washes and combs his hair every Saturday night. It's a piece of tender mercy, or simply caring for the beast he now is; treating him with possessive affection.

Rachel & I sang this a lot last year and will no doubt be featuring it in the months to come. Hear our version (live at The Fylde Festival 2008!) at http://www.myspace.com/venereumarvum