When a dealer picks up a discarded card and plays it himself or deals it to his partner if his partner signals for it.
It works quite well in a game where players are drinking because rarely do they notice the card
re-enter play in the same
hand. It is often used in stud and draw games, not so much in "
flop" games like Texas Hold'
em because the dealer doesn't have a chance to pass that card to his partner.