A dodgem or dodgem car is a small electric car with a wide rubber strip all round. People drive dodgems around a special area at an amusement park and sometimes crash into each other for fun.
[mainly British, trademark]regional note: in AM, use bumper car
Dodgem in British English
(ˈdɒdʒəm)
noun
trademark another name for bumper car
dodgem in American English
(ˈdɑdʒəm)
US
noun
an amusement-park ride consisting of small, electrically powered vehicles, whose drivers move them about erratically within an enclosed area, frequently bumping one another