yard
yeast
(n) Raise. "Let's give it a little yeast" means "I raise."
yo
(n) yoleven.
(n) 11, in respect to the size of a bet. Probably comes from craps dealers who pronounce the word clearly, loudly, and distinctly to distinguish amid all the casino noise from the similar sounding seven. Often they drag it out to eeyoleven, and this is sometimes shortened to eeyo. Also, yo.
younger hand
(n phrase) An obsolete term for any player to the left of the eldest hand (that is, the one immediately to the left of the dealer).
youngest hand
(n phrase) An obsolete term for the player immediately to the right of the dealer.
you roll two
(n phrase) seven-card flip.