heavy ball
n.β Β«Patak hits what is known in volleyball parlance as a “heavy ball”βa shot without the usual top spin that is a sensitive blockerβs nightmare. “Itβs like a knuckleball with a lot of heat on it,” UH coach Mike Wilton said.Β» ββWarriors turn back Gauchos in four” by Stephen Tsai Honolulu Advertiser (Hawaii) Apr. 2, 2005. (source: Double-Tongued Dictionary)