If the next person in the sequence does not play a letter card within their allotted chances, the person who played the last letter card wins the round and the whole pile goes to them. Subsequently, the next round begins with this winning person. If you play with jokers, in some versions, you have to put down 5 cards for a joker. If you do this, then you can’t play the jokers slap (look two steps below). Remember, nobody can look at their cards before they’re played, so the odds are completely random!
Double: when two cards of equivalent value are laid down consecutively. Ex: 5, 5 Sandwich: when two cards of equivalent value are laid down consecutively, but with one card of different value between them. Ex: 5, 7, 5 Top bottom (or bottoms up): when the same card as the first card of the set is laid down. However, this rule is nullified if a card is burned as a penalty (see below). Tens: when two cards played consecutively (or with a letter card in between) add up to 10. For this rule, an ace counts as one. Ex: 3, 7 or A, K, 9 (sandwich) Jokers: when jokers are used in the game, which should be determined before gameplay begins. Anytime someone lays down a joker, the pile can be slapped. This is only if you’re not playing the version where you lay down 5 cards for a joker. Four in a row: when four cards with values in consistent ascending or descending order is placed. Ex: 5, 6, 7, 8 or Q, K, A, 2 Marriage: when a Queen is placed over or under a King (this is considered an optional rule). Ex: Q, K or K,Q
If you have no cards and you slap at the wrong time, then you are out of the game for good (unless you are playing by modified rules, such as allowing players to lend cards to each other).
Note that this is exceedingly rare - for this to happen, the first double has to have gone unnoticed. If anyone slaps the initial double, s/he wins those cards and a triple is no longer possible, even if the next card played is the same type as those in the double.
As with the normal triples described above, this one also requires the initial double to go un-slapped to be valid.