Longtime Giants broadcaster Mike Krukow took the “tarps off” movement to a whole new level late in the Giants’ historic 11-10 comeback win over the Washington Nationals on Wednesday at Oracle Park.As rookie slugger Bryce Eldridge stepped to the plate with the bases loaded and the Giants down three runs in the bottom of the ninth inning, Duane Kuiper suggested they might need something more than “tarps off” if the 21-year-old were to hit a walk-off grand slam.That’s when Krukow said, “time to drop trou and hog out.”On Friday, Krukow went on KNBR 680’s “Murph and Markus,” and revealed the origin of the phrase.“Most of what I’ve ever use on the show, during the game, is just vernacular that’s in the clubhouse, something that you heard along the way and all of a sudden, it just seems like it was appropriate,” Krukow told Brian Murphy and Markus Boucher. “Now, I don’t know if that was appropriate.“Back in the day, when we had ‘kangaroo court,’ that was one of the fines. Games over and you have a big [food] spread in the middle of the clubhouse and...