Definition from Wiktionary, the free dictionary
boobird (plural boobirds)
- (slang) A spectator at a sporting event who boos the home team.
2008 April 13, Ben Shpigel, “Santana Struggles in Defeat, and the Fans Let Him Hear It”, New York Times:
- Because of his disappearance over the final two months last season, Reyes has been the target of Shea boobirds, which, as Wright remarked, is almost a “rite of passage.”