A person who enjoys the pleasure of putting loads of bags on their own head, examples include Angus Bags, Popcorn bags, and sometimes when there is a shortage of bags; Flags, in this case this person is a 'flaghead'. Sometimes they enjoy putting other objects on their head. These people are well wierd.
Person 1: "Oi baghead, go put a bag on your head!"
Person 2: "wrecked"
Person 3: "fuckin bags"