RhymeZone: belly buster definitions

Definitions of belly buster:

noun: (slang) A very large meal.
noun: (slang) A loud, exuberant laugh.
noun: (poker slang) A poker hand which is four cards to a straight, where only one rank can complete a straight. E.g. 3-4-6-7, only a five completes the straight.

(Definitions from Wiktionary)