gistfile1.rb

module Fix
  module ClassMethods
    def fixit
      alias_method :fixed, :fixme
    end
  end

  def self.included(base)
    base.extend(ClassMethods)
  end
end

class Foo
  include Fix

  def fixme
    puts "bacon"
  end

  fixit
end

Foo.new.fixed # -> prints "bacon"