1 definition by Rhettro1

Bearcat or Big Bearcat is a poker term that defines ANY community card that comes up on the board that fundamentaly changes the dynamics of a hand. Someone who had a great hand - may be in big trouble, while the other person "hit" their card. Typically a bearcat will occur on the turn or river.
Say play is heads up Ace/Ten for one player, K9 of spades for another and the flop (the first 3 community cards) are A(spade), Ten(spade), and 8 (heart). There is likely to be betting and possibly raising because one person has 2 pair and the other player has the nut flushdraw, suppose the turn, the 4th community card is revealed and it is a Jack of spades - this is a Bearcat because now the possibility of a straight, a flush, or even a royal flush exists! Mr. 2 pair cannot be as happy with his hand now because he could be severly beaten.
Now suppose another Ten shows on the river - this would be a BIG bearcat as now the Ace/Ten holder has a full house and can be more certain about their hand being a winning hand.
Typically it is impossible to get away from an all in moment when a bearcat shows up.
by Rhettro1 February 2, 2010
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