Bangle-butt
n.— «BMW’s own Chris Bangle started making controversy with his “flame surfacing” design theme.…Other designers use the name Bangle as a term for a project gone wrong, and “Bangle-butt” has become a derisive label for cars with awkward, protruding trunks. Yet despite the controversy of his designs, Bangle’s influence has left an indelible mark on his field and on the industry.» —“How BMW’s Z4 evolved into an inspired roadster” by Noah Joseph Canadian Auto Press Feb. 3, 2009. (source: Double-Tongued Dictionary)