noun: a loud cheer ejaculated loudly and involuntarily during a sporting event when one thinks his or her team gained some ground, when it really was a play that favored the other team.
Sitting in the Brazil section of the futbol staduim, Jose emitted a premacheer ejaculation thinking his team's goalie had made the save, when the ball had actually rolled in. The other Brazil fans beat him up for his mistake.
by das.sprache.meister March 23, 2015