Card Games
Joker in pai gow
A joker in pai gow poker is a bug card that can fill a straight or flush in the five-card hand, but is treated as an ace if it cannot; in the two-card hand it is an ace, except in some Southern California casinos where it is fully wild.
Key points
- The joker substitutes only to complete a straight or flush in the five-card hand; otherwise it becomes an ace. 12
- In the two-card hand, the joker is an ace except in some Southern California casinos where it is wild. 1
- Five aces, made with the joker, is the best possible hand and beats any straight flush. 1
- Unlike fully wild jokers in other card games, the pai gow poker joker is a limited bug. 12
How the joker behaves
| Hand | Standard rule | Southern California exception |
|---|---|---|
| Five-card hand | Completes a straight or flush; otherwise an ace | Same |
| Two-card hand | Ace | Wild |
Why it is called a bug, not a wild card
The joker in pai gow poker is often called a bug. 12 This term distinguishes it from a fully wild card that can become any rank or suit. A bug can only act as a substitute when the substitution improves the hand in a specific way — making a straight or flush. If it cannot do that, it is forced to be an ace. 1 This limited role keeps the game's strategy distinct from games where a joker is fully wild.
The five-aces hand
Because the joker can count as an ace when it cannot form a straight or flush, a player who holds four aces plus the joker has a hand of five aces. 1 This is the highest-ranking hand in pai gow poker, beating any straight flush. 1 The possibility of five aces changes discard strategy: players may hold onto a single ace rather than break up a pair, hoping to draw the joker. The joker is also used in the two-card hand, where it is normally an ace. 1 This means a player with a joker and any other card in the two-card hand has at least a pair of aces, a strong holding.
Where this term is used
Related terms
Sources
- Pai gow poker en.wikipedia.org Defines the joker's role in pai gow poker and the Southern California exception.
- Bug (poker) - Wikipedia en.wikipedia.org Explains the bug card concept and the limited wild nature of the joker.
Sources are drawn from regulators, universities and published research, and each one is labelled with what it actually is — a preprint is not called a paper. Bookmaker and affiliate pages are never cited here, because a page that sells betting is not a neutral authority on it.