To descibe someone, usually a girl who is dressed in a very trendy/ fashion victim way. Usually over accessorised wearing lastest trends eg cowboy boots/scarves/beads/trucker hats, frequently has a mullet. Often is a fashion/fine art student type.
Came from the name of the School of Art and Design building at Nottingham Trent University, The Bonnigton building. You can usually see "bonnigton types" hanging out in the reception area dressed stupid and trying too hard.
"She looks abit bonnigton"