The rhythmic chant "Kon-kon-kon chikusho" is a parody of "kon-chiki-chin," which is itself an imitation of the rhythmic Shinto *gion-bayashi* festival music ("chikusho" is an expletive often translated "Damn it!").
The gambler's second line during the final song is "Jigoku no sata mo, kane shidai" (Money buys your fate in hell), an ironic Buddhist proverb about the power of money in the world.