Dating someone for an extended period of time without proposing marriage.
Andy has been dating Adi for at least 3 years, but they are not engaged. He must be slow playing her.
When you have a very strong hand in poker, but play passively in the hopes of getting others to bluff or catch a card that will make a good second best hand. The ultimate objective is to get more money out of your opponents.
Bob: When the flop came down 88J and I had 8J, I checked it in the hopes that someone would catch something and I could get paid off.
Saul: Nice slow play.