ぷにぷに
RailsのRDocに「puni-puni」、ぷにぷううううううううににぷにぷにっぷに。
あぅあぅ。
http://api.rubyonrails.com/classes/ActiveSupport/CoreExtensions/String/Inflections.html#M000434
dasherize()
Replaces underscores with dashes in the string.
Example
"puni_puni" #=> "puni-puni"