1 definition by Rowdy Riley!GO GATORS!

Used when referring to an activity, particularly a sporting event, that has gone on much longer than originally intended i.e. quintuple overtime. Derived from the Wimbledon tennis match that was played on court 18 and lasted 11 hours and 5 minutes between Nicolas Mahut and John Isner.
This beer pong game has had so many overtimes we must be playing on court 18
by Rowdy Riley!GO GATORS! June 24, 2010
Get the Court 18 mug.