Usually a derogative term used to describe a female with no shape to her back. Broad shoulders, no hips and love handles are all contributing factors.
Peter "Hey George, why dont you ask Sarah out? She's quite pretty and she's such a nice lass"
George "Hmm I would, but I just cant look past her boxback"
George "Hmm I would, but I just cant look past her boxback"
by lushladylegs September 21, 2014