Bigsix

2 clues
Casino game
Christy Mathewson's nickname.
Similar answers:
Abig
Abigail
Abigailadams
Abigaildeanwill
Abigails
Abigailvanburen
Abigailwilliams
Abigbangmay
Abigdealoutofit
Abigswarmofmorays
Abigturnoff
Actbig
Actedbig
Actedthebigcheese
Aftersix
Agesix
Ambigenal
Ambiguity
Ambiguous
Andsixtyfour