Top definition
(wun-doun'-man-ship') noun. The practice of outdoing an opponent in a negative way; performing less well than an inferior player or team.
When the Pacers got blown out by the lowly Knicks -- at home no less -- it was a classic case of onedownmanship.
by Rich117 October 30, 2007
Get the mug
Get a onedownmanship mug for your buddy Trump.