Acronym for the word Pilopopapu. Pronounced: "Pea-low-poe-pah-poo". A word from Puertorican Spanish. Originally emerging from the sounds that time machines make. This phrase has become popular in the north side of Puerto Rico, often used in a sentence with no context at all. It is also used in a sentence when you have nothing else to say or to end an awkward silence in a conversation.