1. The act of shitting in Goofy's mouth. This is most easily accomplished by buying a Goofy hat from Disney World and promptly taking a dump on the underside. Optionally, you can send it to Disney headquarters.
2. An unusual euphemism generally referring to hanging out with friends and getting nothing useful done.
1. "Man, I'm so angry at those Direct-to-DVD Disney movies, I could just shit the goof."
2. "I've got nothing to do; want to shit the goof tonight?"