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Word Description
Gap Hand A starting hand with cards more than one rank apart. For instance, T9 is a one-gap hand. 86 is a two-gap hand.

Grinding Playing in a style with minimal risk and modest gains over a long period of time. Usage: Like in sentence "Tony has been grinding away at $5/$10 limit all month".

Gut Shot To draw to and/or hit an inside straight

Gutshot Straight A straight filled "inside." If you have 9s-8s, the flop comes 7c-5h-2d, and the turn is the 6c, you've made your gutshot straight.