Prime example. We go to Sports Authority to get some stuff right before the season. He decides he needs some new shades. Cool. So we go over and find them. Instead of trying them on his face to see how they look, he puts them on the bill of his cap so see how they look. First, upside down, then right side up. About knocked the crap out of him right there.
This personifies him and his buddies.
http://www.youtube.com/watch?v=cfLZIAgbE0I