English edit

Etymology edit

sinkerball +‎ -ing

Noun edit

sinkerballing (uncountable)

  1. (baseball) The pitching of sinkerballs (sinkers)
    • 2008 May 26, Ben Shpigel, “Mets Lose Again; Wilpon Is Up Next”, in New York Times[1]:
      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.