This expression means "with all one's possessions". It comes from the military phrase "to march off bag and baggage", meaning to depart without leaving anything behind for the enemy's use. Bag and baggage referred to the all the belongings of the army and that of each soldier. The phrase started to be used in other contexts in the 15th century. For example: When Peter quit his job, he walked out, bag and baggage.

Esta expresión significa "con todas sus pertenencias". Proviene de la frase militar "to march off bag and baggage", que significaba irse sin dejar nada que pueda usar el enemigo. Bag and baggage se refería a todas las pertenencias del ejército y a las de cada soldado. La frase se comenzó a utilizar en otros contextos en el siglo XV. Por ejemplo: When Peter quit his job, he walked out, bag and baggage.