sinkerballing en · NOUN
Etymology
From sinkerball + -ing.
Meanings
-
(uncountable) The pitching of sinkerballs (sinkers)
The Mets, a day after scoring 9 runs on 12 hits, managed four singles against Aaron Cook, the Rockies’ sinkerballing right-hander, who pitched a complete game.
2008 May 26, Ben Shpigel, “Mets Lose Again; Wilpon Is Up Next”, in New York Times: