六ろっ百ぴゃっ間けん

noun

roppyakken (hanafuda game)

A specific hanafuda game; the term is domain-specific and may not be widely known outside of hanafuda enthusiasts.

• 花はな札ふだの遊あそび方かたの一ひとつに六ろっ百ぴゃっ間けんというのがある。

  One of the ways to play hanafuda is a game called roppyakken.