balk-off Share definition Flag A game-ending illegal move by a pitcher in a tie game, last inning, home team at the plate and a runner on 3rd. The Mets suckThey really suck - their pitcher just balkedBraves win! Braves Win!It's a Balk-off! balk-off by Coreyml June 16, 2011 0 0 Get merch Get the balk-off mug. Buy Now — $32.95 See more merch