bad beat

In poker, bad beat is a subjective term for a hand in which a player with what appear to be strong cards nevertheless loses. It most often occurs where one player bets the clearly stronger hand and their opponent makes a mathematically poor call that wins with any subsequent dealing to complete the hand.
In pure mathematical terms a one-outer can be considered a pure bad beat, however there is no consensus among poker players as to what else exactly constitutes a bad beat and often players will disagree about whether a particular hand was a bad beat. A few examples are: quads over full house, quads over quads, straight flush over quads, small full house vs. bigger full house or better.

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