The act of intentionally under-playing a very strong hand in the hopes of tricking your opponent into thinking that he has you beat, which leads to your opponent betting more in later rounds. i.e. - holding pocket kings and just checking or calling on the first round of betting to show weakness, in hopes of luring your opponent into more aggressive play later and a larger pot.

To underbet a strong hand in hopes of drawing others into the pot; frequently done with aces.

To play a strong hand weakly to represent a weak hand to get your opponent to call. Also to let your opponents lead the betting.

representing a strong hand as weak by not betting in order to disguise the strength. The opposite of bluffing.

To act weak when you hold an extremely powerful hand, in the hopes of luring in other players. For example, if in Hold 'em your hand was the 5-6 of clubs, and the flop came 2-3-4 of clubs, you would have an unbeatable hand. But if you bet and raised aggressively right away, everyone else might fold and you would win only a small pot. By merely checking or calling, you might lure other players into thinking their hands had a better chance, and win more money from them.

A strategy of playing as if holding a weak Hand, in the hope of luring in other players. While holding a very strong Hand and Betting and Raising aggressively right away, other players might be likely to Fold, leaving only a small Pot . In contrast, by enacting Slow-play, and merely Check ing or Call ing, other players might be more likely to believe that their Hands have a better chance of winning and stay in the game longer, leaving a larger Pot to be won.