Less it's ringin' down on th' bar, or slidin' 'cross some table 'cause they found out as how they was holdin' Jacks against some other fella's Kings.
They were playing a card gamer. 
mnli hypothesis: They were playing a card gamer.  premise: Less it's ringin' down on th' bar, or slidin' 'cross some table 'cause they found out as how they was holdin' Jacks against some other fella's Kings.