X to Z and Numbers - Glossary of Terms
X. Sometimes used to denote a ten-valued card.
YMMV. The acronym for "your mileage may vary".
Zen Count. A level two counting system described by Arnold Snyder in his book, Blackbelt in Blackjack. It assigns a value of plus one to the 2s, 3s and 7s, plus two to the 4s, 5s and 6s, minus one to the Aces and minus two to the ten valued cards.
Zuke. An archaic term for a dealer gratuity or tip. See "Toke".
1:8. An abbreviation for bet spread of 1:8. Variations: 1:6, 1:12, etc.
2:1. An abbreviation for a blackjack game in which naturals pay 2:1 instead of the normal 3:2.
6D. An abbreviation for six decks. Variations: 1D, 2D, etc.
86'd. An abbreviation for kicked out of a casino with the threat of being arrested if you return.