One who believes the Flying Spaghetti Monster is the true creator but does not know which Pastafarian denomination is the true church. For example, most Pastafarians believe the FSM sauce is tomato based, where as others believe it is pesto or cream.
Mark: Hey Mary, are you a member of the Church of Alfredo or are you a Pestoinian?
Mary: Neither, I'm not sure if the FSM is alfredo, pesto or tomato based, so I am Spagnostic.
pastafarian: Gravity is only a theory!
nonbeliever: No it isn't!
pastafarian: You spagnostic! We are grounded because of intelligent falling; he pushes us down with his noodly appendages!
Just bumming around (typically in a motorized vehicle), often done with friends or significant others as a way to spend time without doing anything in particular.