What does Undercut mean? Paulo P. June 25, 2018 07:39 Updated Follow If the knocker did not go gin and the counts are equal or the knocker's count is greater than that of the opponent, the knocker has been undercut. click for customer support Related articles Is there any extra bonus/punishment for Undercut? What happens if I quit before the game is over? What does Deadwood mean? What happens if one of the players doesn't draw a card on their turn? When does the game finish? Comments 0 comments Article is closed for comments.