Is a situation where a community card that is dealt later in a hand makes a player’s hand less valuable, even though the player had a strong hand before that card was dealt.
For example, if a player has a pair of Jacks in their hand and the board is dealt with two more Jacks and a 10, the player’s hand has been “counterfeited” because the fourth Jack on the board has made their pair of Jacks less valuable. The term “counterfeit” is used because the fourth Jack has made it more likely that another player has a pair of Jacks as well, effectively “counterfeiting” the value of the first player’s hand.