In Indian culture, to make an "Ullu" of someone is to play a prank on them. One famous story involves the clever and a greedy merchant:
In everyday, informal Hindi-Urdu, "Ullu" or the more emphatic "Ullu ka Pattha" (son of an owl) is a mild to moderately severe insult. Its primary meaning is . Calling someone an ullu implies they are naive, easily deceived, or lack common sense. In Indian culture, to make an "Ullu" of