[ごえもんぶろ, goemonburo] (n) bath heated directly from beneath, with a floating wooden lid on which the bather sits causing it to sink (named after the robber Goemon Ishikawa, who was boiled to death in one)
[はまのまさごはつきるともよにぬすびとのたねはつきまじ, hamanomasagohatsukirutomoyoninusubitonotanehatsukimaji] (exp) the sand on the beach may disappear, but the makings of thieves never shall (Ishikawa Goemon)