Niasers speak a kind of language related to Malagasy, a very similar to languages & custom with Batak on Sumatra. It is possible that the Niasers have derived from Batak
The tradition originate from a fight between a male and female pig that took place in the village hundreds of years ago. A represent the push and pull of positive and negative elements.
Omed-omedan, which means pulling, is a ceremony for the youths of the village to express their joy on the first day of the new year.
Males and females stood side by side of the village main road while waiting the signal of Hindu leader then both sides approached the center of the road. Male participants pulled and kissed the female participants while other villagers poured buckets of water towards them.
This ritual had been around for at least 100 years and could only be participated in by the people of Banjar Kaja Sesetan village, and it is not clear when mass kissing was incorporated into the Bali tradition.
Actually, this tradition is one of a great way to find a boyfriend or girlfriend. Many couples are succeed to enter their marriage by joining this tradition, said a participant in the ceremony. The pecalang opened with a prayer while traditional village guards secured the area.
Omed-omedan was held on a day later after Nyepi so as not to disturb the observance of the Day of Silence. Balinese Hindus traditionally observe Nyepi as a day of reflection. Adherents are prohibited from lighting fires or using electricity, working, traveling or engaging in any form of entertainment.