A primary school gym teacher that shows you physics problems, making grinning faces and panting, pretending that what he's showing you is real flipping important and complicated.
-This is a very complicated addition of forces problem. Pay attention, this is important, and will count in the exam.
-Another Wiltshire goodie-goodie.
One who repeatedly takes advantage of the free stuff, often goodie bags, at certain events such as promotions at movie theaters, concert festivals, temporary kiosks at malls, etc.
This is often frowned upon by others if such a person is in a group.