H

Hand ranks np.  In regular poker, five-card hands in descending order are: royal flush, straight flush, four-of-a-kind, full house, three-of-a-kind, two pair, one pair, and high card.  Kickers are also important.  Article with comprehensive explanation of hand values.

Heads up adj.  Also head-to-head.  A faceoff between two players, either because everyone else folded, or it's a one-on-one game. 

Hidden pair np.  Paired down cards. Aka pocket pair, wired pair, concealed pair, pair in the hole.

High card adj.  The value of a hand without even a pair is determined by the rank of the top card.  A queen high hand: Q9742.

High carding vp.  A way of choosing a dealer or settling some other question.  Players draw and expose a card, high wins.

High limit n.  Large stakes games, roughly above 50/100.

High-low adj.  Forms of poker where both the highest and lowest hands win something.

High variance np.  See variance.

Hit v.  Get a good hand; receive helpful community cards.  Ahmed had two hearts, but the flop did not hit him.

Hole cards np.  In hold'em, the cards dealt face down to each player, which combine with community cards on the board to make a hand.  Aka down cards.

House n.  The management or owners of a gambling establishment.

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