What does Undercut mean? Paulo P. December 16, 2018 01:03 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 does Deadwood mean? What happens if I quit before the game is over? What happens if one of the players doesn't draw a card on their turn? Personal Data Requests Comments 0 comments Article is closed for comments.