ulupulup verb English. Believes and acts on what is false; is gullible. Example sentence: Subanen. Si Uan, sa' mangay dig lunsud, laak pulu' peginapet, masi' gulupulup selepi'an. English. When What"s-His-Name goes to the city, he just wears any old clothes, and yet in reality he is rich. (D disagrees with definition).