require 'active_support/inflector'

tables = ["class_one", "class_two"]
tables.each do |name|
  klass = Class.new do
    class << self
      columns = ["method_one", "method_two"]
      columns.each do |column|
        define_method "#{column}" do |*args|
          p args
        end
      end
    end
  end
  Kernel.const_set "#{name}".camelize.to_sym, klass
end

ClassOne.method_one "test11"
ClassOne.method_two "test12"
ClassTwo.method_one "test21"
ClassTwo.method_two "test22"