Bumper

Bumper as in a bumper harvest means abundant or very large and dates from the mid-17th century, when a bumper was specifically a large, brim-full glass of ale. This word like many others in English derives from striking or hitting and they have all come to denote size, for example, thumping great, whacking great, whopping great etc. A bumper in cricket, a short ball directed at the batsman’s head, dates from the mid-19th century. A bumper, the fender bar on a motor car, dates from 1926.