DuckCorp Dico

Found one definition

1.                 From German - English Ding/FreeDict dictionary ver. 1.9-fd1:
                   
   
   
                   
                     
   Bumser /bˈʊmzɜ/ <masc, n, sg>
    [ugs.]  [auto] shunt <n> [Br.]  [coll.]
            Note: rear-impact crash
            Note: Auffahrunfall