gistfile1.rb

class Object
  def send(*args, &block)
    "no soy sarasa porque me piso el send"
  end

  def sarasa
    "soy sarasa"
  end
end

class Peperulo
end

p = Peperulo.new
puts "Sin send: #{p.sarasa}"
puts "Con send: #{p.send(:sarasa)}"