person.rb

class Person < ActiveRecord::Base
  before_save :before_save_foo, :before_save_bar
  before_create :before_create_claat
  before_validation :before_validation_bar
  after_save :after_save_clean_skip_callbacks
  attr_accessor :skip_callbacks

  SKIPPABLE_CALLBACKS = [:before_save_foo, :before_save_bar]
  
  SKIPPABLE_CALLBACKS.each do |cb|
    define_method(cb) do
      return if skip_callbacks
    end
  end

  def before_save_foo
    # stuff if callback isnt skipped
  end
  
  ..
end