Main Entry: lame duck

Function: noun

Date: 1761

1 : one that is weak or that falls behind in ability or achievement; especially chiefly British : an ailing company
2 : an elected official or group continuing to hold political office during the period between the election and the inauguration of a successor
3 : one whose position or term of office will soon end

— lame–duck \ˈlām-ˈdək\ adjective