Refers to a lady with ample breasts, or ample everything, whose physique built to perform a motorboat would be an easy task. The motorboating may be done anywhere on the corpus where one can press the face in between any skinfolds, 'as long as the cheeks are warmed'.
Before Oprah Winfrey lost all that weight she was extremely motorboatable. Now she still retains some motorboatability, but only of the more conventional variety.
by Captain Stubing July 14, 2009
1. able to be motorboated. 2. the appearance of a womans breasts of being highly worthy of the act of motorboating, which is to dive in and indulge in a womans breasts with furous glee all the while making noises similar to that of a motorboat. also see motorboat (v.) and motorboating(v.)
by wterasta March 10, 2010