A bug in poker is a limited form of wild ❤️ card. One or both jokers are often added to the deck and played as bugs.
In draw poker played for high ❤️ and pai gow poker, the bug is considered to be an ace, unless it can be used as a missing ❤️ card to complete a straight or a flush, in which case it becomes the highest[1] card which can complete the ❤️ hand.
K-K-Joker-5-2 is a pair of kings with an ace kicker.
is a pair of kings with an ace kicker. A-A-Joker-9-4 is ❤️ three aces.